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Long-term Debt - Long-term Debt Outstanding (Details) - USD ($) $ in Millions	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Dec. 09, 2021
Schedule of Outstanding Long-term Debt
Finance lease obligations	$ 366.1			$ 380.3
Total debt and finance lease obligations	2,745.2			3,278.3
Less: Current portion	(26.2)			(37.8)
Long-term debt, net of current portion	$ 2,719.0			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%
Long-term 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%
Long-term debt	$ 347.6			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%
Long-term debt	$ 781.0			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%
Long-term debt	$ 778.4			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%
Long-term debt	$ 390.4			393.7
Other notes payable
Schedule of Outstanding Long-term Debt
Long-term debt	41.7			47.7
Advances under revolving credit facility | Line of credit | Credit Agreement
Schedule of Outstanding Long-term Debt
Long-term debt	40.0			200.0
Term loan facilities | Line of credit | Credit Agreement
Schedule of Outstanding Long-term Debt
Long-term debt	$ 0.0			$ 238.5

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Amount of short-term and long-term debt and lease obligation.

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

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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