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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Percentage of principal amount of debt redeemed.

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Weighted average interest rate of debt outstanding.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt - Narrative (Details) - USD ($)						3 Months Ended			6 Months Ended
Debt - Narrative (Details) - USD ($)	Jun. 16, 2021	Mar. 26, 2021	Aug. 25, 2020	Aug. 11, 2020	Jul. 01, 2020	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Jun. 15, 2020	May 14, 2019	Nov. 29, 2017
Debt Instrument [Line Items]
Loss on extinguishment of debt						$ 2,814,000		$ 0	$ 5,999,000	$ 0
Finance Leases						81,529,000			81,529,000		$ 77,874,000
Senior Notes \| 2022 Secured Notes
Debt Instrument [Line Items]
Debt, face amount														$ 270,000,000.0
Interest rate														7.875%
Senior Notes \| 2023 Senior Secured Notes
Debt Instrument [Line Items]
Repayments of debt			$ 441,000,000.0	$ 49,000,000.0
Debt, face amount													$ 490,000,000.0
Interest rate													6.875%
Percentage of principal amount redeemed				10.00%
Senior Notes \| 2025 Secured Notes
Debt Instrument [Line Items]
Repayments of debt		$ 65,000,000.0
Unamortized debt issuance costs						$ 9,500,000			$ 9,500,000		12,900,000
Debt, face amount												$ 650,000,000.0
Interest rate					6.125%	6.125%			6.125%			6.125%
Percentage of principal amount redeemed	10.00%	10.00%
Extinguishment of debt, amount	$ 58,500,000
Loss on extinguishment of debt						$ 2,800,000	$ 3,200,000
Early redemption premium						1,800,000	1,900,000
Write-off of unamortized deferred financing fees						1,000,000.0	$ 1,300,000
Senior Notes \| 2028 Secured Notes
Debt Instrument [Line Items]
Unamortized debt issuance costs						$ 8,000,000.0			$ 8,000,000.0		8,400,000
Debt, face amount			$ 500,000,000.0
Interest rate			4.625%			4.625%			4.625%
Revolving Credit Facility \| Line of Credit \| 2017 ABL Facility
Debt Instrument [Line Items]
Accordion feature														$ 375,000,000.0
Repayments of debt					$ 1,500,000,000
Write-off of unamortized deferred financing fees					4,400,000
Revolving Credit Facility \| Line of Credit \| 2017 ABL Facility - US Facility
Debt Instrument [Line Items]
Maximum aggregate availability														1,300,000,000
Revolving Credit Facility \| Line of Credit \| 2017 ABL Facility - Canadian ABL Facility
Debt Instrument [Line Items]
Maximum aggregate availability														$ 140,000,000.0
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility
Debt Instrument [Line Items]
Maximum aggregate availability					$ 2,400,000,000	$ 2,400,000,000			$ 2,400,000,000
Fee on unused borrowings					0.225%
Weighted average interest rate for borrowings						1.96%			1.96%
Available borrowing capacity						$ 917,400,000			$ 917,400,000
Letters of credit amount outstanding						14,100,000			14,100,000
Outstanding principal						1,500,000,000			1,500,000,000
Unamortized debt issuance costs						$ 36,200,000			$ 36,200,000
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| Interest Rate Swap
Debt Instrument [Line Items]
Weighted average interest rate for borrowings after interest rate derivatives						2.77%			2.77%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| LIBOR \| United States of America, Dollars
Debt Instrument [Line Items]
Basis spread on variable rate					1.875%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| LIBOR \| Euro Member Countries, Euro
Debt Instrument [Line Items]
Basis spread on variable rate					1.875%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| LIBOR \| United Kingdom, Pounds
Debt Instrument [Line Items]
Basis spread on variable rate					1.875%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| Base Rate \| United States of America, Dollars
Debt Instrument [Line Items]
Basis spread on variable rate					0.875%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| BA Rate \| Canada, Dollars
Debt Instrument [Line Items]
Basis spread on variable rate					1.875%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility \| Prime Rate \| Canada, Dollars
Debt Instrument [Line Items]
Basis spread on variable rate					0.875%
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility - US Facility
Debt Instrument [Line Items]
Maximum aggregate availability					$ 2,000,000,000.0
Available borrowing capacity						$ 517,400,000			$ 517,400,000
Revolving Credit Facility \| Line of Credit \| 2020 ABL Facility - Multicurrency Facility
Debt Instrument [Line Items]
Maximum aggregate availability					$ 400,000,000
Available borrowing capacity						400,000,000.0			400,000,000.0
Outstanding principal						0			0		0
Unamortized debt issuance costs						7,200,000			$ 7,200,000		$ 7,900,000
Letter of Credit \| Line of Credit \| 2017 ABL Facility
Debt Instrument [Line Items]
Fee on unused borrowings									2.00%
Letter of Credit \| Line of Credit \| 2020 ABL Facility
Debt Instrument [Line Items]
Maximum aggregate availability						205,900,000			$ 205,900,000
Swingline Loans \| Line of Credit \| 2020 ABL Facility
Debt Instrument [Line Items]
Maximum aggregate availability						$ 170,000,000.0			$ 170,000,000.0