Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
ASSETS
Total current assets	$ 312,962	$ 290,262
Investments in subsidiaries	0	0
Property, plant and equipment, net	462,754	453,927
Intangible assets, net	331,002	337,402
Goodwill	381,369	381,369
Investment in unconsolidated subsidiary	73,835	62,495
Other assets	29,871	26,961
Total assets	1,591,793	1,552,416
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	122,170	131,684
Long-term debt, net of current portion	250,120	250,142
Other noncurrent liabilities	59,909	61,539
Deferred income taxes	61,735	46,615
Total liabilities	493,934	489,980
Total stockholders’ equity	1,097,859	1,062,436
Total liabilities and stockholders' equity	1,591,793	1,552,416
Issuer [Member]
ASSETS
Total current assets	201,606	174,576
Investments in subsidiaries	1,491,855	1,449,577
Property, plant and equipment, net	153,611	148,131
Intangible assets, net	14,409	14,497
Goodwill	21,860	21,860
Investment in unconsolidated subsidiary	0	0
Other assets	27,487	26,530
Total assets	1,910,828	1,835,171
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	441,496	414,755
Long-term debt, net of current portion	250,000	250,000
Other noncurrent liabilities	59,738	61,365
Deferred income taxes	61,735	46,615
Total liabilities	812,969	772,735
Total stockholders’ equity	1,097,859	1,062,436
Total liabilities and stockholders' equity	1,910,828	1,835,171
Guarantors [Member]
ASSETS
Total current assets	485,811	455,604
Investments in subsidiaries	0	0
Property, plant and equipment, net	309,143	305,796
Intangible assets, net	316,328	322,634
Goodwill	359,243	359,243
Investment in unconsolidated subsidiary	0	0
Other assets	2,384	431
Total assets	1,472,909	1,443,708
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	58,006	59,218
Long-term debt, net of current portion	120	142
Other noncurrent liabilities	0	0
Deferred income taxes	0	0
Total liabilities	58,126	59,360
Total stockholders’ equity	1,414,783	1,384,348
Total liabilities and stockholders' equity	1,472,909	1,443,708
Non-guarantors [Member]
ASSETS
Total current assets	5,042	3,037
Investments in subsidiaries	0	0
Property, plant and equipment, net	0	0
Intangible assets, net	265	271
Goodwill	266	266
Investment in unconsolidated subsidiary	73,835	62,495
Other assets	0	0
Total assets	79,408	66,069
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	2,165	666
Long-term debt, net of current portion	0	0
Other noncurrent liabilities	171	174
Deferred income taxes	0	0
Total liabilities	2,336	840
Total stockholders’ equity	77,072	65,229
Total liabilities and stockholders' equity	79,408	66,069
Eliminations [Member]
ASSETS
Total current assets	(379,497)	(342,955)
Investments in subsidiaries	(1,491,855)	(1,449,577)
Property, plant and equipment, net	0	0
Intangible assets, net	0	0
Goodwill	0	0
Investment in unconsolidated subsidiary	0	0
Other assets	0	0
Total assets	(1,871,352)	(1,792,532)
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	(379,497)	(342,955)
Long-term debt, net of current portion	0	0
Other noncurrent liabilities	0	0
Deferred income taxes	0	0
Total liabilities	(379,497)	(342,955)
Total stockholders’ equity	(1,491,855)	(1,449,577)
Total liabilities and stockholders' equity	$ (1,871,352)	$ (1,792,532)