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Restricted Cash Equivalents Redemption value adjustment Noncontrolling Interest, Change in Redemption Value Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Excluding Redeemable Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest, Excluding Redeemable Noncontrolling Interest Diluted (USD per share) Earnings Per Share, Diluted Local Phone Number Local Phone Number Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Operating profit Disposal Group, Including Discontinued Operation, Operating Income (Loss) Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Summary of Short-term and Long-term Debt Outstanding Schedule of Debt [Table Text Block] Derivative [Line Items] Derivative [Line Items] Depreciation Depreciation Depreciation Entity Address, Address Line One Entity Address, Address Line One Entity Emerging Growth Company Entity Emerging Growth Company Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] Prepaid and other current assets Prepaid Expenses and Other Current Assets [Member] 6.55% Senior Notes due 2037 Senior Notes 6.55% due 2037 [Member] Senior Notes 6.55% due 2037 Maximum Maximum [Member] Noncontrolling Interests Noncontrolling Interest [Member] Dividends Dividends, Common Stock, Cash Retained Income Retained Earnings [Member] Unrealized gain (loss) on cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Schedule of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Effective income tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Cash used for investing activities Net Cash Provided by (Used in) Investing Activities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Domain] Award Type [Domain] Trading Symbol Trading Symbol Revenues earned under license agreement Revenue from Related Parties Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Shares authorized for repurchase, compared to total common stock outstanding (as a percent) Maximum Number Of Shares Authorized For Repurchase Under Stock Repurchase Plan As Percentage Of Outstanding Common Stock Maximum number of shares authorized for repurchase under stock repurchase plan as percentage of outstanding common stock. Less: common stock in treasury Treasury Stock, Value Earnings Per Share Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Redeemable noncontrolling interest (Note 8) Balance at beginning of period Balance at end of period Redeemable Noncontrolling Interest, Equity, Carrying Amount Current liabilities: Liabilities, Current [Abstract] Entity Shell Company Entity Shell Company Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Cash paid for amounts included in the measurement for operating lease liabilities Cash Paid for Amounts Included in the Measurement for Lease Liabilities [Abstract] Cash Paid for Amounts included in the Measurement for Lease Liabilities [Abstract] Recently Issued or Adopted Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]