Other Expense (Income), Net - Schedule of Other Expenses and (Income) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Other Income and Expenses [Abstract]
Foreign exchange (gain) loss	$ (7.8)	$ (0.3)	$ 0.2
Proceeds from legal settlement	(1.4)	(3.5)
Proceeds from insurance recoveries			(0.1)
Bond redemption		20.8	8.7
Write-off of financing fees and discount		4.1	4.0
Other gain	(0.3)	(0.1)
Total	$ (9.5)	$ 21.0	$ 12.8