Fair Value Measurements, Equity Investments and Other Financial Instruments - Carrying Amounts and Estimated Fair Values of Debt (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Senior Notes due September 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	5.50%
Senior Secured Notes due October 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	1.573%
Senior Notes due December 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	4.00%
Senior Notes due February 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	6.125%
Senior Notes due April 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	5.00%
Senior Notes due February 2031
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	7.25%
Senior Notes due July 2032
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	6.50%
Senior Notes due July 2033
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt interest rate	6.875%
Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other foreign borrowings	$ 93.6	$ 94.1
Other domestic borrowings	54.7	65.9
Total debt	4,593.5	4,682.8
Carrying Amount \| Senior Notes due September 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	0.0	399.1
Carrying Amount \| Senior Secured Notes due October 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	597.5	597.0
Carrying Amount \| Senior Notes due December 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	422.8	422.5
Carrying Amount \| Senior Notes due February 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	765.9	764.8
Carrying Amount \| Senior Notes due April 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	422.0	421.7
Carrying Amount \| Senior Notes due February 2031
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	421.1	420.9
Carrying Amount \| Senior Notes due July 2032
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	396.0	0.0
Carrying Amount \| Senior Notes due July 2033
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	446.8	446.7
Carrying Amount \| Term Loan A due March 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	973.1	1,050.1
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other foreign borrowings	93.6	94.1
Other domestic borrowings	54.7	65.0
Total debt	4,538.7	4,667.7
Fair Value \| Senior Notes due September 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	0.0	400.7
Fair Value \| Senior Secured Notes due October 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	544.4	539.5
Fair Value \| Senior Notes due December 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	398.9	399.4
Fair Value \| Senior Notes due February 2028
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	772.7	780.8
Fair Value \| Senior Notes due April 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	404.9	410.8
Fair Value \| Senior Notes due February 2031
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	438.0	450.3
Fair Value \| Senior Notes due July 2032
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	397.5	0.0
Fair Value \| Senior Notes due July 2033
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	460.9	477.0
Fair Value \| Term Loan A due March 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes	$ 973.1	$ 1,050.1