Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 04, 2015	Jan. 03, 2015
Disclosure Accrued Expenses [Abstract]
Accrued payroll and related expenses	$ 46,245	$ 50,844
Standard Product Warranty Accrual, Current	30,550	28,786
Advanced customer deposits	44,794	20,367
Accrued warranty	30,550	28,786
Accrued product liability and workers compensation	14,219	14,582
Product Liability Contingency, Loss Exposure in Excess of Accrual, High Estimate	11,325	12,125
Accrued customer rebates	21,333	32,357
Accrued agent commission	10,295	11,207
Sales and Excise Tax Payable, Current	6,827	7,660
Other accrued expenses	28,450	35,604
Accrued expenses	$ 221,272	$ 220,585