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Debt - Narrative (Details) - USD ($) |  |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
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 |  |  |  |  |

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