GUARANTOR CONDENSED CONSOLIDATING FINANCIAL STATEMENTS (Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Condensed Income Statements, Captions [Line Items]
Net sales	$ 934,203	$ 901,425	$ 639,471	$ 724,085	$ 866,544	$ 849,806	$ 612,765	$ 684,764	$ 3,199,184	$ 3,013,879	$ 2,893,868
Cost of goods sold									1,820,035	1,755,855	1,709,428
Gross profit	410,492	375,546	282,182	310,929	363,538	347,539	262,895	284,052	1,379,149	1,258,024	1,184,440
Selling, general, and administrative expenses	282,624	255,322	228,464	228,996	258,737	230,017	209,296	211,183	995,406	909,233	890,251
Royalty income	(11,545)	(10,670)	(9,525)	(11,075)	(11,378)	(12,699)	(8,353)	(11,636)	(42,815)	(44,066)	(39,156)
Operating income	139,413	130,894	63,243	93,008	116,179	130,221	61,952	84,505	426,558	392,857	333,345
Interest expense									27,044	27,031	27,653
Interest income									(563)	(500)	(403)
(Income) loss in subsidiaries									0	0	0
Other expense (income), net									4,007	(1,862)	3,189
Income before income taxes									396,070	368,188	302,906
Provision for income taxes									137,964	130,366	108,236
Net income	$ 87,117	$ 80,811	$ 36,198	$ 53,980	$ 72,599	$ 79,326	$ 36,105	$ 49,792	258,106	237,822	194,670
Consolidating Adjustments [Member]
Condensed Income Statements, Captions [Line Items]
Net sales									(746,150)	(686,055)	(682,278)
Cost of goods sold									(727,148)	(656,157)	(636,930)
Gross profit									(19,002)	(29,898)	(45,348)
Selling, general, and administrative expenses									(37,567)	(39,706)	(51,369)
Royalty income									9,573	8,326	10,481
Operating income									8,992	1,482	(4,460)
Interest expense									(5,308)	(5,407)	(5,651)
Interest income									5,308	5,407	5,651
(Income) loss in subsidiaries									282,999	227,789	189,494
Other expense (income), net									0	0	0
Income before income taxes									(274,007)	(226,307)	(193,954)
Provision for income taxes									0	0	0
Net income									(274,007)	(226,307)	(193,954)
Parent [Member]
Condensed Income Statements, Captions [Line Items]
Net sales									0	0	0
Cost of goods sold									0	0	0
Gross profit									0	0	0
Selling, general, and administrative expenses									0	0	0
Royalty income									0	0	0
Operating income									0	0	0
Interest expense									0	0	0
Interest income									0	0	0
(Income) loss in subsidiaries									(258,106)	(237,822)	(194,670)
Other expense (income), net									0	0	0
Income before income taxes									258,106	237,822	194,670
Provision for income taxes									0	0	0
Net income									258,106	237,822	194,670
Subsidiary Issuer [Member]
Condensed Income Statements, Captions [Line Items]
Net sales									1,881,919	1,813,950	1,770,238
Cost of goods sold									1,358,209	1,286,411	1,271,260
Gross profit									523,710	527,539	498,978
Selling, general, and administrative expenses									177,605	181,150	203,371
Royalty income									(32,728)	(32,978)	(30,741)
Operating income									378,833	379,367	326,348
Interest expense									26,475	26,550	27,651
Interest income									(5,756)	(5,826)	(5,998)
(Income) loss in subsidiaries									4,413	19,775	20,226
Other expense (income), net									(383)	(6)	(235)
Income before income taxes									354,084	338,874	284,704
Provision for income taxes									104,970	102,534	85,574
Net income									249,114	236,340	199,130
Guarantor Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales									1,762,882	1,639,826	1,564,717
Cost of goods sold									1,033,403	989,284	936,260
Gross profit									729,479	650,542	628,457
Selling, general, and administrative expenses									753,874	679,532	646,728
Royalty income									(19,660)	(19,414)	(18,896)
Operating income									(4,735)	(9,576)	625
Interest expense									5,435	5,331	5,310
Interest income									0	0	0
(Income) loss in subsidiaries									(29,306)	(9,742)	(15,050)
Other expense (income), net									482	(60)	2,263
Income before income taxes									18,654	(5,105)	8,102
Provision for income taxes									23,067	20,590	19,441
Net income									(4,413)	(25,695)	(11,339)
Non-Guarantors Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net sales									300,533	246,158	241,191
Cost of goods sold									155,571	136,317	138,838
Gross profit									144,962	109,841	102,353
Selling, general, and administrative expenses									101,494	88,257	91,521
Royalty income									0	0	0
Operating income									43,468	21,584	10,832
Interest expense									442	557	343
Interest income									(115)	(81)	(56)
(Income) loss in subsidiaries									0	0	0
Other expense (income), net									3,908	(1,796)	1,161
Income before income taxes									39,233	22,904	9,384
Provision for income taxes									9,927	7,242	3,221
Net income									$ 29,306	$ 15,662	$ 6,163