Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands	Oct. 01, 2016	Jan. 02, 2016	Oct. 03, 2015	Jan. 03, 2015
ASSETS
Cash and cash equivalents	$ 148,585	$ 156,884	$ 148,886	$ 108,784
Restricted cash	294	331
Accounts receivable, net	382,857	371,392
Inventories	359,095	344,583
Income taxes refundable	13,222	11,963
Prepaid expenses	40,341	36,175
Other current assets	18,609	10,460
Total current assets	963,003	931,788
Investment in subsidiaries	0	0
Property, plant and equipment, net	1,535,185	1,508,167
Intangible assets, net	747,522	782,349
Goodwill	1,256,376	1,233,102
Investment in unconsolidated subsidiaries	261,690	247,238
Other assets	35,912	41,623
Deferred income taxes	17,196	16,352
Total assets	4,816,884	4,760,619
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	27,169	45,166
Accounts payable	168,556	149,998
Income taxes payable	9,374	6,679
Accrued expenses	254,561	239,825
Total current liabilities	459,660	441,668
Long-term debt, net of current portion	1,818,361	1,885,851
Other non-current liabilities	89,517	97,809
Deferred income taxes	363,949	360,681
Total liabilities	2,731,487	2,786,009
Total stockholders’ equity	2,085,397	1,974,610
Total liabilities and stockholders' equity	4,816,884	4,760,619
Parent [Member]
ASSETS
Cash and cash equivalents	1,377	3,443	1,309	10,447
Restricted cash	103	102
Accounts receivable, net	33,178	184,472
Inventories	21,154	13,564
Income taxes refundable	8,933	7,695
Prepaid expenses	14,365	13,322
Other current assets	7,481	5,273
Total current assets	86,591	227,871
Investment in subsidiaries	4,230,796	4,072,855
Property, plant and equipment, net	223,556	224,208
Intangible assets, net	14,732	17,794
Goodwill	21,860	21,860
Investment in unconsolidated subsidiaries	1,861	0
Other assets	30,210	36,488
Deferred income taxes	0	0
Total assets	4,609,606	4,601,076
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	5,729	20,328
Accounts payable	39,588	6,981
Income taxes payable	(383)	(383)
Accrued expenses	79,242	82,854
Total current liabilities	124,176	109,780
Long-term debt, net of current portion	1,163,790	1,234,002
Other non-current liabilities	54,228	57,578
Deferred income taxes	148,518	147,416
Total liabilities	1,490,712	1,548,776
Total stockholders’ equity	3,118,894	3,052,300
Total liabilities and stockholders' equity	4,609,606	4,601,076
Guarantors [Member]
ASSETS
Cash and cash equivalents	1,742	3,993	1,873	14,460
Restricted cash	0	0
Accounts receivable, net	91,987	81,644
Inventories	97,957	89,078
Income taxes refundable	0	0
Prepaid expenses	2,623	2,262
Other current assets	2,038	24
Total current assets	196,347	177,001
Investment in subsidiaries	1,141,644	1,141,644
Property, plant and equipment, net	495,111	477,446
Intangible assets, net	300,222	326,231
Goodwill	549,690	549,690
Investment in unconsolidated subsidiaries	0	0
Other assets	446,233	499,764
Deferred income taxes	0	0
Total assets	3,129,247	3,171,776
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	0	0
Accounts payable	82,352	210,926
Income taxes payable	373	373
Accrued expenses	31,024	29,037
Total current liabilities	113,749	240,336
Long-term debt, net of current portion	0	0
Other non-current liabilities	0	1,999
Deferred income taxes	0	0
Total liabilities	113,749	242,335
Total stockholders’ equity	3,015,498	2,929,441
Total liabilities and stockholders' equity	3,129,247	3,171,776
Non-guarantors [Member]
ASSETS
Cash and cash equivalents	145,466	149,448	145,704	83,877
Restricted cash	191	229
Accounts receivable, net	354,447	310,932
Inventories	239,984	241,941
Income taxes refundable	4,289	4,268
Prepaid expenses	23,353	20,591
Other current assets	14,235	22,852
Total current assets	781,965	750,261
Investment in subsidiaries	803,728	837,604
Property, plant and equipment, net	816,518	806,513
Intangible assets, net	432,568	438,324
Goodwill	684,826	661,552
Investment in unconsolidated subsidiaries	259,829	247,238
Other assets	306,849	314,893
Deferred income taxes	17,196	16,352
Total assets	4,103,479	4,072,737
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	26,585	42,527
Accounts payable	120,465	122,136
Income taxes payable	9,384	6,689
Accrued expenses	167,200	143,547
Total current liabilities	323,634	314,899
Long-term debt, net of current portion	1,401,951	1,461,371
Other non-current liabilities	35,289	38,232
Deferred income taxes	215,431	213,265
Total liabilities	1,976,305	2,027,767
Total stockholders’ equity	2,127,174	2,044,970
Total liabilities and stockholders' equity	4,103,479	4,072,737
Eliminations [Member]
ASSETS
Cash and cash equivalents	0	0	$ 0	$ 0
Restricted cash	0	0
Accounts receivable, net	(96,755)	(205,656)
Inventories	0	0
Income taxes refundable	0	0
Prepaid expenses	0	0
Other current assets	(5,145)	(17,689)
Total current assets	(101,900)	(223,345)
Investment in subsidiaries	(6,176,168)	(6,052,103)
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Goodwill	0	0
Investment in unconsolidated subsidiaries	0	0
Other assets	(747,380)	(809,522)
Deferred income taxes	0	0
Total assets	(7,025,448)	(7,084,970)
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	(5,145)	(17,689)
Accounts payable	(73,849)	(190,045)
Income taxes payable	0	0
Accrued expenses	(22,905)	(15,613)
Total current liabilities	(101,899)	(223,347)
Long-term debt, net of current portion	(747,380)	(809,522)
Other non-current liabilities	0	0
Deferred income taxes	0	0
Total liabilities	(849,279)	(1,032,869)
Total stockholders’ equity	(6,176,169)	(6,052,101)
Total liabilities and stockholders' equity	$ (7,025,448)	$ (7,084,970)