Guarantor Financial Information Condensed Consolidating Balance Sheet (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010	Jan. 03, 2009
ASSETS
Total current assets	$ 219,680	$ 185,586
Investments in subsidiaries	0	0
Property, plant and equipment, net	400,222	393,420
Intangible assets, net	362,914	390,954
Goodwill	381,369	376,263
Investment in unconsolidated subsidiary	21,733	0
Other assets	31,112	36,035
Total assets	1,417,030	1,382,258
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	127,257	154,830
Long-term debt, net of current portion	280,020	707,030
Other noncurrent liabilities	58,245	50,760
Deferred income taxes	31,133	5,342
Total liabilities	496,655	917,962
Stockholders' equity:
Common stock, additional paid-in capital and treasury stock	583,273	286,696
Retained earnings and accumulated other comprehensive loss	337,102	177,600
Total stockholders’ equity	920,375	464,296	284,877	236,578
Total liabilities and stockholders' equity	1,417,030	1,382,258
Issuer [Member]
ASSETS
Total current assets	124,675	95,679
Investments in subsidiaries	1,286,175	1,118,467
Property, plant and equipment, net	119,898	119,511
Intangible assets, net	14,747	21,569
Goodwill	21,860	32,441
Investment in unconsolidated subsidiary	0
Other assets	27,725	31,136
Total assets	1,595,080	1,418,803
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	317,561	202,705
Long-term debt, net of current portion	280,000	707,000
Other noncurrent liabilities	46,011	39,460
Deferred income taxes	31,133	5,342
Total liabilities	674,705	954,507
Stockholders' equity:
Common stock, additional paid-in capital and treasury stock	583,273	286,696
Retained earnings and accumulated other comprehensive loss	337,102	177,600
Total stockholders’ equity	920,375	464,296
Total liabilities and stockholders' equity	1,595,080	1,418,803
Guarantors [Member]
ASSETS
Total current assets	347,989	196,383
Investments in subsidiaries	0	0
Property, plant and equipment, net	280,324	273,909
Intangible assets, net	347,874	369,385
Goodwill	359,243	343,822
Investment in unconsolidated subsidiary	0
Other assets	3,387	3,321
Total assets	1,338,817	1,186,820
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	63,718	59,343
Long-term debt, net of current portion	20	30
Other noncurrent liabilities	12,052	11,004
Deferred income taxes	0	0
Total liabilities	75,790	70,377
Stockholders' equity:
Common stock, additional paid-in capital and treasury stock	1,022,544	1,022,544
Retained earnings and accumulated other comprehensive loss	240,483	93,899
Total stockholders’ equity	1,263,027	1,116,443
Total liabilities and stockholders' equity	1,338,817	1,186,820
Non-guarantors [Member]
ASSETS
Total current assets	3,980	4,669
Investments in subsidiaries	0	0
Property, plant and equipment, net	0	0
Intangible assets, net	293	0
Goodwill	266	0
Investment in unconsolidated subsidiary	21,733
Other assets	0	1,578
Total assets	26,272	6,247
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	2,942	3,927
Long-term debt, net of current portion	0	0
Other noncurrent liabilities	182	296
Deferred income taxes	0	0
Total liabilities	3,124	4,223
Stockholders' equity:
Common stock, additional paid-in capital and treasury stock	27,982	6,224
Retained earnings and accumulated other comprehensive loss	(4,834)	(4,200)
Total stockholders’ equity	23,148	2,024
Total liabilities and stockholders' equity	26,272	6,247
Eliminations [Member]
ASSETS
Total current assets	(256,964)	(111,145)
Investments in subsidiaries	(1,286,175)	(1,118,467)
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Goodwill	0	0
Investment in unconsolidated subsidiary	0
Other assets	0	0
Total assets	(1,543,139)	(1,229,612)
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	(256,964)	(111,145)
Long-term debt, net of current portion	0	0
Other noncurrent liabilities	0	0
Deferred income taxes	0	0
Total liabilities	(256,964)	(111,145)
Stockholders' equity:
Common stock, additional paid-in capital and treasury stock	(1,050,526)	(1,028,768)
Retained earnings and accumulated other comprehensive loss	(235,649)	(89,699)
Total stockholders’ equity	(1,286,175)	(1,118,467)
Total liabilities and stockholders' equity	$ (1,543,139)	$ (1,229,612)