Income Taxes - U.S. and Foreign Components of Income before Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 25, 2020	Dec. 27, 2019
Income Tax Disclosure [Abstract]
United States	$ (42.1)	$ (24.5)	$ (49.7)
Foreign	196.4	124.2	52.0
Income before provision for income taxes	$ 154.3	$ 99.7	$ 2.3