Derivatives and Fair Value Measurements - Carrying and Estimated Fair Values Financial Instruments (Detail) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Carrying Amount [Member]
Derivatives Fair Value [Line Items]
Cash and cash equivalents	$ 44.7	$ 51.2
Restricted cash	1.1	1.2
Receivables less provisions	778.7	630.8
Accounts payable	602.6	481.2
Long-term debt, including current portion	551.3	639.3
Fair Value [Member]
Derivatives Fair Value [Line Items]
Cash and cash equivalents	44.7	51.2
Restricted cash	1.1	1.2
Receivables less provisions	778.7	630.8
Accounts payable	602.6	481.2
Long-term debt, including current portion	$ 571.3	$ 666.8