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Property and Equipment, Net of Accumulated Depreciation and Amortization, by Geographic Areas (Detail) (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Segment Reporting Information [Line Items]    
Property and equipment, net of accumulated depreciation and amortization $ 293,637 $ 300,102
United States
   
Segment Reporting Information [Line Items]    
Property and equipment, net of accumulated depreciation and amortization 195,600 203,800
Europe
   
Segment Reporting Information [Line Items]    
Property and equipment, net of accumulated depreciation and amortization 57,100 58,300
Japan
   
Segment Reporting Information [Line Items]    
Property and equipment, net of accumulated depreciation and amortization 10,900 11,300
Other
   
Segment Reporting Information [Line Items]    
Property and equipment, net of accumulated depreciation and amortization $ 30,000 $ 26,700