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Certain Balance Sheet Components Property, Plant, and Equipment, Net (Details) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Property, Plant and Equipment [Line Items]    
Machinery and equipment $ 284,431 $ 265,113
Computers and purchased software 69,894 63,077
Buildings, furniture, and improvements 150,987 146,661
Land 33,879 35,968
Construction in progress, including purchased equipment 24,600 20,531
Total cost 563,791 531,350
Accumulated depreciation (262,333) (232,108)
Property, plant, and equipment, net $ 301,458 $ 299,242