Supplemental Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest, net of amount capitalized	$ 104.9	$ 113.8	$ 127.9
Cash paid for income taxes	102.9	114.9	101.7
Operating cash flows used for operating leases	71.8	77.7	76.1
Operating cash flows used for finance leases	3.5	0.6	0.5
Financing cash flows used for finance leases	$ 11.1	$ 3.5	$ 11.0