Interest Expense - Schedule of Interest Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Banking and Thrift [Abstract]
Interest on long-term debt	$ 72.2	$ 83.1	$ 42.9
Other interest expense, net	5.4	2.4	0.1
Total	$ 77.6	$ 85.5	$ 43.0