Accrued Expenses (Details) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Dec. 28, 2013
Disclosure Accrued Expenses [Abstract]
Accrued payroll and related expenses	$ 50,282	$ 56,544
Standard Product Warranty Accrual, Current	22,794	23,306
Advanced customer deposits	31,955	31,276
Accrued warranty	22,794	23,306
Accrued product liability and workers compensation	15,404	15,355
Accrued customer rebates	11,849	26,947
Accrued agent commission	10,547	9,767
Contingent consideration	9,893	8,628
Accrued professional services	6,784	7,441
Sales and Excise Tax Payable, Current	5,654	5,762
Other accrued expenses	28,080	28,433
Accrued expenses	$ 193,242	$ 213,459