v2.4.0.6
Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 29, 2012
Dec. 30, 2011
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 171,451 $ 168,886
Finite-Lived Intangible Assets, Accumulated Amortization (79,290) (72,082)
Foreign Currency Translation 3,201 3,454
Amortizing intangible assets, net 95,362 100,258
Purchased Technology And Patents [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 98,382 97,324
Finite-Lived Intangible Assets, Accumulated Amortization (58,121) (54,054)
Foreign Currency Translation 746 842
Amortizing intangible assets, net 41,007 44,112
Customer Lists [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 68,257 66,388
Finite-Lived Intangible Assets, Accumulated Amortization (16,971) (14,009)
Foreign Currency Translation 1,722 1,807
Amortizing intangible assets, net 53,008 54,186
Other Intangible Assets [Member]
   
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 4,812 5,174
Finite-Lived Intangible Assets, Accumulated Amortization (4,198) (4,019)
Foreign Currency Translation 733 805
Amortizing intangible assets, net $ 1,347 $ 1,960