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Derivative [Line Items] Interest Rate Swap Adjustments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Depreciation expense Depreciation Entity Address, Address Line One Entity Address, Address Line One Deferred revenue Contract with Customer, Liability Entity Emerging Growth Company Entity Emerging Growth Company Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Deferred income taxes Deferred Income Tax Expense (Benefit) Deferred Stock Units (DSUs) Deferred Stock Units (DSUs) [Member] Deferred Stock Units (DSUs) [Member] Multiemployer Plans [Line Items] Multiemployer Plan [Line Items] Award Type [Axis] Award Type [Axis] Weighted- Average Grant Date Fair Value Per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Accumulated Amortization Finite-Lived Intangible Assets, Accumulated 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