Exit and Disposal Activities - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Restructuring and Related Activities [Abstract]
Restructuring costs incurred	$ 0.0	$ 6.5
Accrued restructuring costs		6.5
Expected exit and disposal cost	$ 4.1	$ 6.5	$ 4.0