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Schedule II (Details) (Allowance for Doubtful Accounts [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Allowance for Doubtful Accounts [Member]
     
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance at beginning of period $ 24,270 $ 15,550 $ 16,895
Additions charged to costs and expenses 13,483 11,365 9,856
Additions through acquisitions and consolidation of variable interest entity 8 31 0
Deductions (4,531) (2,676) (11,201)
Balance at end of period $ 33,230 $ 24,270 $ 15,550