Intangible Assets and Goodwill - Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 834,315	$ 723,120
Currency translation	(23,301)	(9,551)
Acquisition of businesses	287,526	120,746
Goodwill, Ending Balance	1,098,540	834,315
Innerwear [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	431,561	431,561
Currency translation	0	0
Acquisition of businesses	0	0
Goodwill, Ending Balance	431,561	431,561
Outerwear [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	289,153	171,214
Currency translation	0	0
Acquisition of businesses	2,290	117,939
Goodwill, Ending Balance	291,443	289,153
Direct to Consumer [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	3,224	3,224
Currency translation	0	0
Acquisition of businesses	0	0
Goodwill, Ending Balance	3,224	3,224
International [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	110,377	117,121
Currency translation	(23,301)	(9,551)
Acquisition of businesses	285,236	2,807
Goodwill, Ending Balance	$ 372,312	$ 110,377