Interest Expense, Net - Schedule of Interest Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Supplemental Income Statement Elements [Abstract]
Interest on long-term debt	$ 100.9	$ 33.2	$ 47.4
Other interest expense, net	10.1	6.5	4.2
Total	$ 111.0	$ 39.7	$ 51.6