Inventories - Summary of Inventories (Detail) - USD ($) $ in Millions	Jul. 04, 2015	Jan. 03, 2015
Inventory Disclosure [Abstract]
Raw materials	$ 100.4	$ 105.8
Finished goods	132.3	118.4
Resale items	13.6	17.4
Other	20.4	20.8
Total	$ 266.7	$ 262.4