Provision for Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current U.S. federal	$ 8.0	$ (41.0)	$ 19.0
Current Non-U.S.	191.0	169.0	178.0
Current U.S. state and local	(2.0)	(2.0)	5.0
Deferred U.S. federal	(8.0)	(6.0)	(3.0)
Deferred Non-U.S.	(10.0)	(17.0)	(13.0)
Deferred U.S. state and local	(2.0)	(2.0)	(1.0)
Total income tax expense	$ 177.0	$ 103.0	$ 186.0