Quarterly report pursuant to Section 13 or 15(d)

Property and Equipment, Net (Details Textual)

v2.4.0.6
Property and Equipment, Net (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Dec. 31, 2011
Property, Plant and Equipment [Line Items]          
Property and equipment, net $ 32,191   $ 32,191   $ 34,627
Property, Plant and Equipment (Additional Textual) [Abstract]          
Depreciation and amortization expense 3,800 3,100 11,533 9,202  
Leasehold improvements [Member]
         
Property, Plant and Equipment [Line Items]          
Description of estimated useful life of property and equipment     The estimated useful life is the lesser of 3-5 years or the lease term.    
Leasehold improvements [Member] | Maximum [Member]
         
Property, Plant and Equipment [Line Items]          
Estimated useful life of property and equipment     5 years    
Leasehold improvements [Member] | Minimum [Member]
         
Property, Plant and Equipment [Line Items]          
Estimated useful life of property and equipment     3 years    
Philippines [Member]
         
Property, Plant and Equipment [Line Items]          
Property and equipment, net $ 1,200   $ 1,200   $ 1,600