Derivatives, Hedging Programs and Other Financial Instruments - Schedule of Total Amounts of Derivative Assets and Liabilities on Balance Sheets (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative asset	$ 48.2	$ 10.9
Derivative liability	(1.9)	(6.6)
Prepaid Expenses and Other Current Assets
Derivative [Line Items]
Derivative asset	41.3	8.4
Other Assets
Derivative [Line Items]
Derivative asset	6.9	2.5
Other Accrued Liabilities
Derivative [Line Items]
Derivative liability	(1.7)	(3.8)
Long-term Liabilities
Derivative [Line Items]
Derivative liability	$ (0.2)	$ (2.8)