Litigation and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Long-term Purchase Commitment [Line Items]
Advertising expense	$ 107.1	$ 121.5	$ 137.2
Licensing arrangements [Member]
Long-term Purchase Commitment [Line Items]
Royalty expense	2.3	2.0	2.0
Advertising expense	$ 3.2	$ 3.2	$ 3.3