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Quarterly Report Investments in and Advances to Affiliates [Table] Investments in and Advances to Affiliates [Table] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Interest Rate Swap Interest Rate Swap [Member] Depreciation and amortization Depreciation, Depletion and Amortization, Adjusted Depreciation, Depletion and Amortization, Adjusted Property and Equipment Property, Plant, and Equipment [Policy Text Block] Income before income taxes and income (loss) from investments in unconsolidated affiliates Income before income taxes and income (loss) from investments in unconsolidated affiliates Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Unamortized discount and deferred financing costs Debt Instrument, 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Enterprise Finite-lived intangible assets, period decrease Intangible Asset, Finite-Lived, Period Increase (Decrease) Insider Trading Policies and Procedures [Line Items] Stock options outstanding - balance at beginning of period (in shares) Stock options outstanding - balance at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Goodwill, measurement period adjustment Goodwill, Measurement Period Adjustment Accounts Payable and Other Current Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Other financing activities Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Performance Share Units Performance Shares [Member] 4.750% senior notes due March 2030 4.75% Senior Notes Due March 2030 [Member] 4.75% Senior Notes Due March 2030 Prepaid expenses and other current assets Total prepaid 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