Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012	Dec. 31, 2011
ASSETS
Total current assets	$ 275,023	$ 219,680
Investments in subsidiaries	0	0
Property, plant and equipment, net	438,969	400,222
Intangible assets, net	344,299	362,914
Goodwill	381,369	381,369
Investment in unconsolidated subsidiary	54,424	21,733
Other assets	29,399	31,112
Total assets	1,523,483	1,417,030
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	135,625	127,257
Long-term debt, net of current portion	250,163	280,020
Other noncurrent liabilities	52,678	58,245
Deferred income taxes	49,436	31,133
Total liabilities	487,902	496,655
Total stockholders’ equity	1,035,581	920,375
Total liabilities and stockholders' equity	1,523,483	1,417,030
Issuer [Member]
ASSETS
Total current assets	157,864	124,675
Investments in subsidiaries	1,413,344	1,286,175
Property, plant and equipment, net	141,232	119,898
Intangible assets, net	15,080	14,747
Goodwill	21,860	21,860
Investment in unconsolidated subsidiary	0	0
Other assets	28,928	27,725
Total assets	1,778,308	1,595,080
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	390,788	317,561
Long-term debt, net of current portion	250,000	280,000
Other noncurrent liabilities	52,503	46,011
Deferred income taxes	49,436	31,133
Total liabilities	742,727	674,705
Total stockholders’ equity	1,035,581	920,375
Total liabilities and stockholders' equity	1,778,308	1,595,080
Guarantors [Member]
ASSETS
Total current assets	428,205	347,989
Investments in subsidiaries	0	0
Property, plant and equipment, net	297,737	280,324
Intangible assets, net	328,943	347,874
Goodwill	359,243	359,243
Investment in unconsolidated subsidiary	0	0
Other assets	471	3,387
Total assets	1,414,599	1,338,817
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	57,813	63,718
Long-term debt, net of current portion	163	20
Other noncurrent liabilities	0	12,052
Deferred income taxes	0	0
Total liabilities	57,976	75,790
Total stockholders’ equity	1,356,623	1,263,027
Total liabilities and stockholders' equity	1,414,599	1,338,817
Non-guarantors [Member]
ASSETS
Total current assets	4,578	3,980
Investments in subsidiaries	0	0
Property, plant and equipment, net	0	0
Intangible assets, net	276	293
Goodwill	266	266
Investment in unconsolidated subsidiary	54,424	21,733
Other assets	0	0
Total assets	59,544	26,272
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	2,648	2,942
Long-term debt, net of current portion	0	0
Other noncurrent liabilities	175	182
Deferred income taxes	0	0
Total liabilities	2,823	3,124
Total stockholders’ equity	56,721	23,148
Total liabilities and stockholders' equity	59,544	26,272
Eliminations [Member]
ASSETS
Total current assets	(315,624)	(256,964)
Investments in subsidiaries	(1,413,344)	(1,286,175)
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	(1,728,968)	(1,543,139)
LIABILITIES AND STOCKHOLDERS' EQUITY
Total current liabilities	(315,624)	(256,964)
Long-term debt, net of current portion	0	0
Other noncurrent liabilities	0	0
Deferred income taxes	0	0
Total liabilities	(315,624)	(256,964)
Total stockholders’ equity	(1,413,344)	(1,286,175)
Total liabilities and stockholders' equity	$ (1,728,968)	$ (1,543,139)