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Debt and Credit Facilities - Senior Notes (Details) - USD ($) $ in Millions |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 28, 2024 | Nov. 20, 2023 | Jan. 31, 2023 | Sep. 30, 2024 | Jun. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ 0.0 |  | $ 0.0 |  | $ 6.8 | $ 4.9 |
Senior Notes due July 2032 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  | 6.50% |  |  |  | 6.50% |  |
Senior Notes due July 2032 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument aggregate principal | $ 400.0 |  |  |  |  |  |  |  |  |
Debt interest rate | 6.50% |  |  |  |  |  |  |  |  |
Debt issuance costs capitalized | $ 4.0 |  |  |  |  |  |  |  |  |
Redemption price, percentage | 100.00% |  |  |  |  |  |  |  |  |
Redemption price, percentage of principal amount redeemed (up to) | 40.00% |  |  |  |  |  |  |  |  |
5.500% Senior Notes Due December 2025 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt interest rate | 5.50% |  |  |  |  |  |  |  |  |
Debt repurchase amount | $ 407.9 |  |  |  |  |  |  |  |  |
Repurchased principal amount | 400.0 |  |  |  |  |  |  |  |  |
Debt premium | 6.2 |  |  |  |  |  |  |  |  |
Accrued interest | $ 1.7 |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  | $ 6.8 |  |  |  |  |
Accelerated amortization of non-lender fees |  |  |  |  | $ 0.6 |  |  |  |  |
Senior Notes due February 2031 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  | 7.25% |  |  |  | 7.25% |  |
Senior Notes due February 2031 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument aggregate principal |  | $ 425.0 |  |  |  |  |  |  |  |
Debt interest rate |  | 7.25% |  |  |  |  |  |  |  |
Debt issuance costs capitalized |  | $ 4.2 |  |  |  |  |  |  |  |
Redemption price, percentage |  | 100.00% |  |  |  |  |  |  |  |
Redemption price, percentage of principal amount redeemed (up to) |  | 40.00% |  |  |  |  |  |  |  |
5.125% Senior Notes Due December 2024 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt interest rate |  | 5.125% |  |  |  |  |  |  |  |
Debt repurchase amount |  | $ 433.7 |  |  |  |  |  |  |  |
Repurchased principal amount |  | 425.0 |  |  |  |  |  |  |  |
Debt premium |  | 7.5 |  |  |  |  |  |  |  |
Accrued interest |  | $ 1.2 |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  |  |  |  | $ 8.3
Accelerated amortization of non-lender fees |  |  |  |  |  |  |  |  |  | $ 0.8
Senior Notes due February 2028 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  | 6.125% |  |  |  | 6.125% |  |
Senior Notes due February 2028 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt instrument aggregate principal |  |  | $ 775.0 |  |  |  |  |  |  |
Debt interest rate |  |  | 6.125% |  |  |  |  |  |  |
Debt issuance costs capitalized |  |  | $ 12.2 |  |  |  |  |  |  |
Redemption price, percentage |  |  | 100.00% |  |  |  |  |  |  |
Redemption price, percentage of principal amount redeemed (up to) |  |  | 40.00% |  |  |  |  |  |  |
Senior Notes due September 2023 | Senior Notes |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  | 4.50% |  |  |  |  |  |  |
Debt premium |  |  |  |  |  |  | $ 4.5 |  |  |
Loss on extinguishment of debt |  |  |  |  |  |  | 4.9 |  |  |
Accelerated amortization of non-lender fees |  |  |  |  |  |  | $ 0.4 |  |  |

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