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Long-term Debt - Long-term Debt Outstanding (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Nov. 30, 2020 | Oct. 31, 2020 | Sep. 30, 2015
--- | --- | --- | --- | --- | --- | ---
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Finance lease obligations | $ 359.8 |  | $ 380.3 |  |  |
Total debt and Capital lease obligations | 2,767.0 |  | 3,278.3 |  |  |
Less: Current portion | (25.2) |  | (37.8) |  |  |
Long-term debt, net of current portion | $ 2,741.8 |  | $ 3,240.5 |  |  |
Senior Notes | 5.125% Senior Notes due 2023 |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Debt instrument interest rate (percent) | 5.125% |  | 5.125% |  |  |
Total debt | $ 0.0 |  | $ 99.6 |  |  |
Senior Notes | 5.75% Senior Notes due 2025 |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Debt instrument interest rate (percent) | 5.75% |  | 5.75% | 5.75% |  | 5.75%
Total debt | $ 347.7 |  | $ 347.0 |  |  |
Senior Notes | 4.50% Senior Notes due 2028 |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Debt instrument interest rate (percent) | 4.50% |  | 4.50% |  |  |
Total debt | $ 781.8 |  | $ 786.8 |  |  |
Senior Notes | 4.75% Senior Notes due 2030 |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Debt instrument interest rate (percent) | 4.75% |  | 4.75% |  |  |
Total debt | $ 779.0 |  | $ 784.7 |  |  |
Senior Notes | 4.625% Senior Notes due 2031 |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Debt instrument interest rate (percent) | 4.625% | 4.625% | 4.625% |  | 4.625% |
Total debt | $ 390.6 |  | $ 393.7 |  |  |
Other notes payable |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Total debt | 53.1 |  | 47.7 |  |  |
Advances under revolving credit facility |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Total debt | 55.0 |  | 200.0 |  |  |
Advances under revolving credit facility | Line of Credit | The Credit Agreement |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Total debt | 55.0 |  | 200.0 |  |  |
Term loan facilities | Line of Credit | The Credit Agreement |  |  |  |  |  |
Schedule of Outstanding Long-term Debt |  |  |  |  |  |
Total debt | $ 0.0 |  | $ 238.5 |  |  |

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