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Long-term Debt - Long-term Debt Outstanding (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022 | Dec. 09, 2021
--- | --- | --- | ---
Schedule of Outstanding Long-term Debt |  |  |
Finance lease obligations | $ 345.3 | $ 359.8 |
Total debt and finance lease obligations | 2,716.6 | 2,767.0 |
Less: Current portion | (23.9) | (25.2) |
Long-term debt, net of current portion | $ 2,692.7 | $ 2,741.8 |
Senior Notes | 5.75% Senior Notes due 2025 |  |  |
Schedule of Outstanding Long-term Debt |  |  |
Debt instrument interest rate (as percent) | 5.75% | 5.75% | 5.75%
Long-term debt | $ 348.3 | $ 347.7 |
Senior Notes | 4.50% Senior Notes due 2028 |  |  |
Schedule of Outstanding Long-term Debt |  |  |
Debt instrument interest rate (as percent) | 4.50% | 4.50% | 4.50%
Long-term debt | $ 784.2 | $ 781.8 |
Senior Notes | 4.75% Senior Notes due 2030 |  |  |
Schedule of Outstanding Long-term Debt |  |  |
Debt instrument interest rate (as percent) | 4.75% | 4.75% | 4.75%
Long-term debt | $ 780.9 | $ 779.0 |
Senior Notes | 4.625% Senior Notes due 2031 |  |  |
Schedule of Outstanding Long-term Debt |  |  |
Debt instrument interest rate (as percent) | 4.625% | 4.625% | 4.625%
Long-term debt | $ 391.3 | $ 390.6 |
Other notes payable |  |  |
Schedule of Outstanding Long-term Debt |  |  |
Long-term debt | 66.6 | 53.1 |
Advances under revolving credit facility | Line of credit | Credit Agreement |  |  |
Schedule of Outstanding Long-term Debt |  |  |
Long-term debt | $ 0.0 | $ 55.0 |

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