Work in process Inventory, Work in Process, Gross Face amount of debt Debt Instrument, Face Amount Accounts receivable, net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Interest expense, net Interest Expense Restricted stock awards vested during period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] TransCore Holdings Inc, Zetec and Civco Radiotherapy TransCore Holdings Inc, Zetec, and Civco Radiotherapy [Member] TransCore Holdings Inc, Zetec, and Civco Radiotherapy Net earnings Net earnings Net earnings Net Income (Loss) Attributable to Parent Discontinued Operations and Disposal Groups [Abstract] Tax effect recognized in net earnings from continuing operations Share-based Payment Arrangement, Expense, Tax Benefit Cash income taxes paid Income Taxes Paid, Excluding Taxes Associated With Gain On Disposition Of Business Income Taxes Paid, Excluding Taxes Associated With Gain On Disposition Of Business Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Retained earnings Retained Earnings (Accumulated Deficit) Other Intangible Assets Other Intangible Assets [Member] Litigation Case [Domain] Litigation Case [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Net earnings per share from discontinued operations: Net Earnings Per Share From Discontinued Operations [Abstract] Net Earnings Per Share From Discontinued Operations Shares of stock purchased during the period by participants in the employee stock purchase plan (in shares) Stock Issued During Period, Shares, Employee Stock Purchase Plans Other current liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Current Entity Filer Category Entity Filer Category Business Acquisition [Line Items] Business Acquisition [Line Items] Security Exchange Name Security Exchange Name Disposal Group, Including Discontinued Operation, Assets [Abstract] Disposal Group, Including Discontinued Operation, Assets [Abstract] Consideration received from disposal Disposal Group, Including Discontinued Operation, Consideration Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Risk-free interest rate (%) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Singapore Technologies Engineering Ltd Affiliate Singapore Technologies Engineering Ltd Affiliate [Member] Singapore Technologies Engineering Ltd Affiliate Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Discount on the average closing price for the employee stock purchase plan Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Purchase Date Income Statement [Abstract] Income Statement [Abstract] Schedule of Contract Balances Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Change in unbilled receivables Contract With Customer, Asset, Net, Increase (Decrease) Contract With Customer, Asset, Net, Increase (Decrease) Entity Registrant Name Entity Registrant Name Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Other assets Other Assets, Noncurrent Disposal Group, Including Discontinued Operation, Liabilities [Abstract] Disposal Group, Including Discontinued Operation, Liabilities [Abstract] Unbilled receivables Disposal Group, Including Discontinued Operation, Accounts, Unbilled Receivable, Net Disposal Group, Including Discontinued Operation, Accounts, Unbilled Receivable, Net Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Engineered products and related services Engineered Products And Related Services [Member] Engineered Products And Related Services [Member] Segments [Axis] Segments [Axis] Sale of investment Proceeds from Noncontrolling Interests Indefinite-lived intangible assets (excluding goodwill) Indefinite-lived Intangible Assets (Excluding Goodwill) Cash received from exercise of options Proceeds from Stock Options Exercised Expected dividend yield (%) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Net increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Entity File Number Entity File Number Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Income taxes Income Tax Expense (Benefit) Expected volatility (%) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Other Goodwill, Other Increase (Decrease) Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Amendment Flag Amendment Flag Equity Components [Axis] Equity Components [Axis] Selling, general and administrative expenses Disposal Group, Including Discontinued Operation, General and Administrative Expense Entity Tax Identification Number Entity Tax Identification Number Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Discontinued Operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Total current assets Assets, Current $300 3.850% senior notes due 2025 Senior Notes Due 2025 [Member] Notes Payable not collateralized by pledge, mortgage or other lien in the entity's assets. Senior note holders are paid off in full before any payments are made to junior note holders. Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Inventories, net Inventories, net Inventory, Net Schedule of Segment Reporting Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Employee stock options granted during the period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Litigation settlement, one time charge Litigation Settlement, Expense Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Amortization of intangible assets Amortization of Intangible Assets Other identifiable intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Weighted average useful life of finite-lived intangible assets (in years) Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Cost of sales Disposal Group, Including Discontinued Operation, Costs of Goods Sold Antidilutive stock options (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Revenue recognized from contract liability balance Contract with Customer, Liability, Revenue Recognized Current portion of long-term debt, net Long-term Debt, Current Maturities Product and Service [Axis] Product and Service [Axis] Unpatented technology Unpatented Technology [Member] Gross profit Disposal Group, Including Discontinued Operation, Gross Profit (Loss) Held-for-sale or Disposed of by Sale Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] Schedule of Weighted Average Shares Outstanding Schedule of Weighted Average Number of Shares [Table Text Block] Income taxes receivable Prepaid Taxes New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Business Combination and Asset Acquisition [Abstract] Weighted average fair value per share of restricted stock awards granted during the period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Business Acquisition [Axis] Business Acquisition [Axis] Fair value per share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component [Domain] Equity Component [Domain] Net contract assets/(liabilities) Contract With Customer, Net Asset (Liability) Contract With Customer, Net Asset (Liability) Goodwill Disposal Group, Including Discontinued Operation, Goodwill, Current Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Schedule of Other Intangible Assets - Not Subject to Amortization Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Award Type [Domain] Award Type [Domain] Disposal Group Name [Domain] Disposal Group Name [Domain] Local Phone Number Local Phone Number Pretax gain on sale of investment Gain (Loss) on Sale of Investments ASSETS: Assets [Abstract] Change in deferred revenue - current Contract With Customer Liability, Current, Increase (Decrease) Contract With Customer Liability, Current, Increase (Decrease) Statement [Line Items] Statement [Line Items] Litigation Case [Axis] Litigation Case [Axis] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Amount paid for stock purchased during the period by participants in the employee stock purchase plan Stock Purchased During Period Value Employee Stock Purchase Plans The total consideration received during the period for purchases of shares of stock from participants of the employee stock purchase plan. Restricted stock awards granted during period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Remaining performance obligations Revenue, Remaining Performance Obligation, Amount Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Earnings from discontinued operations, net of tax Earnings from discontinued operations, net of tax Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Stock-based compensation Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture Restricted stock activity Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Software and related services Software And Related Services [Member] Software And Related Services [Member] Trade names Trade Names [Member] Retained earnings Retained Earnings [Member] Debt Instrument [Axis] Debt Instrument [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Intangible assets, gross (excluding goodwill) Intangible Assets, Gross (Excluding Goodwill) Accrued compensation Disposal Group, Including Discontinued Operation, Accrued Liabilities Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Deferred revenue - non-current Contract with Customer, Liability, Noncurrent Other acquisitions Series of Individually Immaterial Business Acquisitions [Member] Current liabilities held for sale Current liabilities held for sale Disposal Group, Including Discontinued Operation, Liabilities, Current Corporate Corporate, Non-Segment [Member] Segment Reporting [Abstract] Segment Reporting [Abstract] $300 0.450% senior notes due 2022 Senior Unsecured Notes Due August 15, 2022 [Member] Senior Unsecured Notes Due August 15, 2022 Net revenues Disposal Group, Including Discontinued Operation, Revenue Percent change in gross profit Increase (Decrease) In Gross Profit Percentage The percent change in aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity, from the previous period to the current period. Income tax expense Income taxes Discontinued Operation, Tax Effect of Discontinued Operation Cash flows used in financing activities from continuing operations Net Cash Provided by (Used in) Financing Activities, Continuing Operations Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Percentage of eligible earnings to purchase common stock through the employee stock purchase plan Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate Total other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Stock-Based Compensation Expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Contingencies Contingencies Disclosure [Text Block] Currency translation adjustments Goodwill, Translation and Purchase Accounting Adjustments Title of 12(b) Security Title of 12(b) Security Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Total assets Assets Stock-based compensation expense Disposal Group, Including Discontinued Operation, Stock Based Compensation Expense Disposal Group, Including Discontinued Operation, Stock Based Compensation Expense Basic (in dollars per share) Earnings Per Share, Basic Number of pending putative class actions Loss Contingency, Pending Claims, Number Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] $700 2.950% senior notes due 2029 Senior Notes Due in 2029 [Member] Senior Notes Due in 2029 Cash (used in) provided by investing activities from continuing operations Net Cash Provided by (Used in) Investing Activities, Continuing Operations Document Type Document Type Revenues from Contracts Revenue from Contract with Customer [Text Block] Gain on sale of assets, net of tax Gain (Loss) On Disposition Of Business, Net Of Income Tax Expense (Benefit) Gain (Loss) On Disposition Of Business, Net Of Income Tax Expense (Benefit) Product and Service [Domain] Product and Service [Domain] Fixed interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Gain on disposition of discontinued operations, net of tax Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Other, net Payments for Other Operating Activities Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Sedaru, Inc. Sedaru, Inc [Member] Sedaru, Inc Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Remaining performance obligations, expected timing of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Cash used in investing activities from discontinued operations Cash Provided by (Used in) Investing Activities, Discontinued Operations Accounts payable Disposal Group, Including Discontinued Operation, Accounts Payable Cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Deferred commissions Capitalized Contract Cost, Net Cash settlement of share-based awards in connection with disposition of discontinued operations APIC, Share-Based Payment Arrangement, Cash Settlement For Dispositions APIC, Share-Based Payment Arrangement, Cash Settlement For Dispositions Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Number of individuals represented by class actions Loss Contingency, Number of Plaintiffs Basic (in shares) Basic shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Segments [Domain] Segments [Domain] Effect of potential common stock: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Vertafore Litigation Vertafore Litigation [Member] Vertafore Litigation Aggregate purchase price Business Combination, Consideration Transferred $700 1.000% senior notes due 2025 Senior Unsecured Notes Due September 15, 2025 [Member] Senior Unsecured Notes Due September 15, 2025 Percent change in net revenues Increase (Decrease) In Net Sales Percentage The percent change in total revenue from sales of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances and sales discounts, from the previous period to the current period. Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Business Acquisitions and Disposition Mergers, Acquisitions and Dispositions Disclosures [Text Block] Goodwill [Roll Forward] Goodwill [Roll Forward] Eddyfi NDT Inc Eddyfi NDT Inc [Member] Eddyfi NDT Inc Diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Unbilled receivables Unbilled Contracts Receivable Other intangible assets, net Intangible assets, net (excluding goodwill) Intangible Assets, Net (Excluding Goodwill) Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Cost of sales Cost of Revenue Cash flows from (used in) investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Mulvey, et al. v. Vertafore, Inc. Mulvey, et al. v. Vertafore, Inc. [Member] Mulvey, et al. v. Vertafore, Inc. Cash flows used in financing activities Net Cash Provided by (Used in) Financing Activities Treasury stock Treasury Stock, Value Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Entity Small Business Entity Small Business Deferred taxes Deferred Income Tax Liabilities, Net Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Total liabilities and stockholders' equity Liabilities and Equity Basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Fair Value of Financial Instruments and Debt Fair Value Disclosures [Text Block] Deferred revenue Deferred revenue - current Contract with Customer, Liability, Current Capital expenditures Payments to Acquire Other Productive Assets Accounts receivable Increase (Decrease) in Accounts and Other Receivables Additional paid-in capital Additional Paid in Capital Process Technologies Process Technologies Process Technologies Segment [Member] Process Technologies Segment [Member] Dividends declared Dividends, Common Stock LIABILITIES AND STOCKHOLDERS' EQUITY: Liabilities and Equity [Abstract] Basic (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share Accounts payable Increase (Decrease) in Accounts Payable Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Inventories Increase (Decrease) in Inventories Weighted Average Shares Outstanding Earnings Per Share [Text Block] Entity Interactive Data Current Entity Interactive Data Current Raw materials and supplies Inventory, Raw Materials and Supplies, Gross Stock option exercises Stock Issued During Period, Value, Stock Options Exercised Software Computer Software, Intangible Asset [Member] Document Period End Date Document Period End Date Loss Contingency [Abstract] Loss Contingency [Abstract] Percent change in long-lived assets Increase (Decrease) In Long-Lived assets The percent change in the total amount of long-lived assets for reportable segments, from the previous period to the current period. Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Entity Central Index Key Entity Central Index Key Gross profit Gross profit: Gross Profit Effect of foreign currency exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Fixed-Rate Senior Notes, Fair Value Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Selling, general and administrative expenses Selling, General and Administrative Expense Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Proceeds from sale of assets Proceeds from Sale of Productive Assets Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding $800 4.200% senior notes due 2028 Senior Notes Due 2028 [Member] Senior Notes Due 2028 [Member] Customer related intangibles Customer Relationships [Member] Entity Address, State or Province Entity Address, State or Province Weighted average vest date fair value per share (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Vest Date Fair Value The weighted average fair value as of vest dates pertaining to a share-based award plan other than a stock option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares, other instruments, or cash in accordance with the terms of the arrangement. Income from operations Disposal Group, Including Discontinued Operation, Operating Income (Loss) Change in deferred revenue - non-current Contract With Customer, Liability, Noncurrent, Increase (Decrease) Contract With Customer, Liability, Noncurrent, Increase (Decrease) Loss Contingencies [Line Items] Loss Contingencies [Line Items] Zetec Zetec [Member] Zetec Property, plant and equipment, net Property, Plant and Equipment, Net Other liabilities Other Liabilities, Noncurrent Deferred taxes Deferred Income Tax Assets, Net Capitalized software expenditures Payments to Develop Software Cash flows used in financing activities from discontinued operations Cash Provided by (Used in) Financing Activities, Discontinued Operations Unallocated corporate general and administrative expenses General and Administrative Expense Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Change in net contract assets/(liabilities) Increase (Decrease) In Contract With Customer, Asset (Liability) Increase (Decrease) In Contract With Customer, Asset (Liability) Trading Symbol Trading Symbol Other intangible assets, net Disposal Group, Including Discontinued Operation, Intangible Assets, Current Net earnings per share: Earnings Per Share [Abstract] Diluted (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share Stock Based Compensation Share-based Payment Arrangement [Text Block] Senior Notes Senior Notes [Member] Fixed rate senior notes carrying amount Long-term Debt, Percentage Bearing Fixed Interest, Amount Inventories Inventory Disclosure [Text Block] Foreign currency translation adjustments Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent $500 3.125% senior notes due 2022 Senior Notes Due 2022 [Member] Notes Payable not collateralized by pledge, mortgage or other lien in the entity's assets. Senior note holders are paid off in full before any payments are made to junior note holders. Remaining performance obligations, percentage Revenue, Remaining Performance Obligation, Percentage Deferred taxes Disposal Group, Including Discontinued Operation, Deferred Tax Liabilities Finished products Inventory, Finished Goods, Gross Document Transition Report Document Transition Report Common stock Common Stock, Value, Issued Net earnings from continuing operations Net earnings from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Other income (expense), net Nonoperating Income (Expense) Percent change in operating profit Increase (Decrease) In Operating Profit Percentage The percent change in the total amount of profit or loss for reportable segments, from the previous period to the current period. Proceeds from stock-based compensation, net Proceeds from stock based compensation, net The cash inflow associated with the amount received from holders exercising their stock options, offset by the cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. Long-term debt, net of current portion Long-term Debt, Excluding Current Maturities Patents and other protective rights Patents [Member] Additions Goodwill, Acquired During Period Commitments and contingencies (Note 10) Commitments and Contingencies Schedule of Goodwill [Table] Schedule of Goodwill [Table] Stock-based compensation Share-based Payment Arrangement, Expense Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Emerging Growth Company Entity Emerging Growth Company Entity Current Reporting Status Entity Current Reporting Status $1,000 1.750% senior notes due 2031 Senior Unsecured Notes Due February 15, 2031 [Member] Senior Unsecured Notes Due February 15, 2031 Restricted Stock Awards Restricted Stock [Member] $700 1.400% senior notes due 2027 Senior Unsecured Notes Due September 15, 2027 [Member] Senior Unsecured Notes Due September 15, 2027 Schedule of Weighted Average Assumptions Used to Value Option Grants Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Amortization of deferred financing costs Amortization of Debt Issuance Costs Disposal Group Classification [Axis] Disposal Group Classification [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Ownership [Axis] Ownership [Axis] $700 3.650% senior notes due 2023 Senior Notes Due 2023 [Member] Senior Notes Due 2023 [Member] Inventory reserves Inventory Valuation Reserves Measurement & Analytical Solutions Measurement & Analytical Solutions Measurement And Analytical Solutions Segment [Member] Measurement And Analytical Solutions Segment [Member] Cover page. Cover [Abstract] Common stock awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Goodwill [Line Items] Goodwill [Line Items] Application Software Application Software Application Software Segment [Member] Application Software Segment [Member] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] $600 2.000% senior notes due 2030 Senior Notes Due June 2030 [Member] Senior Notes Due June 2030 Number of divestitures completed Number Of Divestitures Completed Number Of Divestitures Completed Other Proceeds from (Payments for) Other Financing Activities Finite-lived intangible assets, gross Finite-Lived Intangible Assets, Gross Cash provided by operating activities from discontinued operations Cash Provided by (Used in) Operating Activities, Discontinued Operations Schedule of Other Intangible Assets - Subject to Amortization Schedule of Finite-Lived Intangible Assets [Table Text Block] Unbilled receivables Unbilled Receivables, Current Verathon, Inc. Verathon, Inc. [Member] Verathon, Inc. Disposal Group Classification [Domain] Disposal Group Classification [Domain] Net earnings from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Entity Address, Postal Zip Code Entity Address, Postal Zip Code Diluted (in shares) Diluted shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Dividends declared (in usd per share) Common Stock, Dividends, Per Share, Declared Other accrued liabilities Accrued Liabilities, Current Net revenues Net revenues: Revenue from Contract with Customer, Excluding Assessed Tax Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Cash dividends to stockholders Payments of Dividends TransCore TransCore [Member] TransCore Other income (expense), net Disposal Group, Including Discontinued Operations, Income (Expense) Not Identified As Major, Net Disposal Group, Including Discontinued Operations, Income (Expense) Not Identified As Major, Net Schedule of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Stock Options Share-based Payment Arrangement, Option [Member] Consolidation Items [Domain] Consolidation Items [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Civco Radiotherapy Civco Radiotherapy [Member] Civco Radiotherapy Document Quarterly Report Document Quarterly Report Income tax provision, excluding tax associated with gain on sale of assets Income Tax Provision, Excluding Taxes Associated With Gain On Disposition Of Business Income Tax Provision, Excluding Taxes Associated With Gain On Disposition Of Business Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Common stock Common Stock [Member] Entity Address, Address Line One Entity Address, Address Line One Cash provided by investing activities Net Cash Provided by (Used in) Investing Activities Inventories, net Disposal Group, Including Discontinued Operation, Inventory Changes in operating assets and liabilities, net of acquired businesses: Increase (Decrease) in Operating Capital [Abstract] Business Segments Segment Reporting Disclosure [Text Block] Income from operations Operating Income (Loss) Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Weighted average grant date fair value per share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Entity Shell Company Entity Shell Company Expected option life (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Total current liabilities Liabilities, Current Employee Stock Purchase Plan Employee Stock [Member] Treasury stock sold Stock Issued During Period, Value, Treasury Stock Reissued Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Non-cash stock compensation Share-based Payment Arrangement, Noncash Expense Additional paid-in capital Additional Paid-in Capital [Member] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation and amortization of property, plant and equipment Depreciation Technology Technology-Based Intangible Assets [Member] Unbilled receivables Increase (Decrease) In Unbilled Receivables, Current Increase (Decrease) In Unbilled Receivables, Current Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Loss Contingencies [Table] Loss Contingencies [Table] Treasury stock Treasury Stock [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Ownership [Domain] Ownership [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Network Software & Systems Network Software & Systems Network Software And Systems Segment [Member] Network Software And Systems Segment [Member] Accounts payable Accounts Payable Cash provided by operating activities from continuing operations Net Cash Provided by (Used in) Operating Activities, Continuing Operations Allen, et al. v. Vertafore, Inc. Allen, et al. v. Vertafore, Inc. [Member] Allen, et al. v. Vertafore, Inc. Current assets held for sale Current assets held for sale Disposal Group, Including Discontinued Operation, Assets, Current Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Long-lived assets: Long-Lived Assets Long-term debt, fair value Long-term Debt, Fair Value Statement [Table] Statement [Table] Other current assets Other Assets, Current Depreciation and amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Other, net Payments for (Proceeds from) Other Investing Activities Net earnings per share from continuing operations: Net Earnings Per Share From Continuing Operations [Abstract] Net Earnings Per Share From Continuing Operations Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] $700 3.800% senior notes due 2026 Senior Notes Due 2026 [Member] Notes Payable not collateralized by pledge, mortgage or other lien in the entity's assets. Senior note holders are paid off in full before any payments are made to junior note holders. Total liabilities Liabilities Accrued compensation Deferred Compensation Cash-based Arrangements, Liability, Current Award Type [Axis] Award Type [Axis] Pretax gain on disposition of business Earnings before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Finite-lived intangible assets, net Finite-Lived Intangible Assets, Net Cash flows from (used in) financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Goodwill Goodwill Balance at beginning of period Balance at end of period Goodwill Consolidation Items [Axis] Consolidation Items [Axis] Total stockholders' equity Balance at beginning of period Balance at end of period Stockholders' Equity Attributable to Parent Income taxes payable Accrued Income Taxes, Current City Area Code City Area Code Other current assets Disposal Group, Including Discontinued Operation, Other Assets, Current Operating profit Segment Operating Profit The net result for the period of deducting operating expenses from operating revenues before Corporate expenses. Schedule of Goodwill Schedule of Goodwill [Table Text Block] Adjustments to reconcile net earnings from continuing operations to cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] $500 2.350% senior notes due 2024 Senior Notes Due in 2024 [Member] Senior Notes Due in 2024 Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Entity Address, City or Town Entity Address, City or Town Other accrued liabilities Increase (Decrease) in Other Accrued Liabilities Borrowings (payments) under revolving line of credit, net Proceeds from (Repayments of) Lines of Credit Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Treasury stock sales Proceeds from Sale of Treasury Stock Proceeds from disposition of discontinued operations Proceeds From Disposition Of Discontinued Operations Proceeds From Disposition Of Discontinued Operations