v2.4.0.6
Description Of the Company And Summary Of Significant Accounting Policies (Estimated Useful Lives By Major Asset Category) (Details)
 12 Months Ended
Dec. 30, 2012
Software [Member] | Minimum [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category 2
Software [Member] | Maximum [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category 5
Computers and equipment [Member] | Minimum [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category 2
Computers and equipment [Member] | Maximum [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category 5
Leasehold improvements [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category Shorter of lease term or asset life
Building [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category Shorter of lease term or asset life
Furniture and fixtures [Member] | Minimum [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category 5
Furniture and fixtures [Member] | Maximum [Member]
  
Estimated Useful Lives By Major Asset Category [Line Items]  
Property and Equipment, Estimated useful lives by major asset category 7