SEGMENT REPORTING (Revenue by Product Category) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Revenue by Products and Services [Line Items]
Net revenue	$ 564,184	$ 543,903	$ 1,675,280	$ 1,553,064
Core brand
Revenue by Products and Services [Line Items]
Net revenue	407,785	388,570	1,208,994	1,078,280
Allied brand
Revenue by Products and Services [Line Items]
Net revenue	39,604	38,261	122,296	117,009
Total Branded
Revenue by Products and Services [Line Items]
Net revenue	447,389	426,831	1,331,290	1,195,289
Partner brand
Revenue by Products and Services [Line Items]
Net revenue	73,978	73,821	222,325	229,607
Other
Revenue by Products and Services [Line Items]
Net revenue	$ 42,817	$ 43,251	$ 121,665	$ 128,168