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Goodwill And Other Intangibles (Schedule Of Intangible Assets) (Details) (USD $)
In Thousands, unless otherwise specified
0 Months Ended9 Months Ended9 Months Ended9 Months Ended9 Months Ended9 Months Ended9 Months Ended
Aug. 22, 2011
Oct. 01, 2011
Jan. 01, 2011
Oct. 02, 2010
Oct. 01, 2011
Customer Relationships [Member]
Oct. 02, 2010
Customer Relationships [Member]
Oct. 01, 2011
Technology [Member]
Oct. 02, 2010
Technology [Member]
Oct. 01, 2011
Trademarks [Member]
Oct. 02, 2010
Trademarks [Member]
Oct. 01, 2011
Patents & Engineering Drawings [Member]
Oct. 02, 2010
Patents & Engineering Drawings [Member]
Oct. 01, 2011
Non-Compete Agreements [Member]
Oct. 02, 2010
Non-Compete Agreements [Member]
Oct. 01, 2011
In-Process Research And Development [Member]
Goodwill [Line Items]               
Useful Life (years)          10   2
Useful Life (years), minimum8   3 3 3   3  
Useful Life (years), maximum15   17 9 20   5  
Gross Value $ 297,386 $ 213,129$ 195,019$ 130,462$ 127,824$ 34,122$ 30,795$ 25,529$ 16,610$ 16,610$ 8,138$ 6,406$ 19,000
Accumulated Amortization (102,190) (74,137)(52,037)(37,681)(20,400)(11,962)(12,001)(9,269)(11,246)(9,586)(6,506)(5,639) 
Net Values $ 295,196$ 175,490$ 138,992