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Accrued Expenses (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 30, 2013
Dec. 29, 2012
Disclosure Accrued Expenses [Abstract]    
Accrued payroll and related expenses $ 50,858 $ 42,960
Advanced customer deposits 49,720 37,392
Accrued warranty 19,140 17,593
Accrued product liability and workers compensation 15,102 13,290
Accrued customer rebates 12,778 23,901
Accrued agent commission 8,598 9,531
Accrued professional services 8,097 8,346
Other accrued expenses 35,186 17,919
Accrued expenses $ 199,479 $ 170,932