Supplemental Cash Flow Information - Schedule of Noncash Investing and Financing Activities (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Supplemental Cash Flow Elements [Abstract]
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 10.2	$ 177.8
Right-of-use assets obtained in exchange for new operating lease liabilities	23.4	17.3
Accrued liabilities for purchases of property, plant and equipment	51.8	28.6
Remeasurement of operating lease right-of-use assets	(4.9)	(12.4)
Remeasurement of finance lease right-of-use assets	$ (11.4)	$ 0.0