Fair Value Measurements - Carrying Amounts and Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of long-term debt	$ 2,151.7	$ 1,399.8
Long-term debt, net of current maturities	1,807.3	2,830.3
Quoted Prices in Active Market (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of long-term debt	2,151.7	1,399.8
Current portion of long-term debt, fair value	2,158.3	1,400.0
Long-term debt, net of current maturities	1,807.3	2,830.3
Long-term debt, net of current maturities fair value	$ 1,978.9	$ 3,155.5