Accrued Expenses (Details) - USD ($) $ in Thousands	Apr. 01, 2017	Dec. 31, 2016
Disclosure Accrued Expenses [Abstract]
Accrued payroll and related expenses	$ 64,941	$ 74,505
Standard Product Warranty Accrual, Current	41,383	40,851
Advanced customer deposits	44,909	41,735
Accrued warranty	41,383	40,851
Product Liability Contingency, Loss Exposure in Excess of Accrual, High Estimate	6,641	7,003
Accured Restructuring Liabilities, Current	3,269	2,295
Accrued customer rebates	23,472	49,923
Accrued Product Liability And Workers Compensation Liability Current	11,110	11,417
Accrued agent commission	11,191	12,834
Accrued professional services	13,852	16,605
Sales and Excise Tax Payable, Current	10,824	13,565
Other accrued expenses	67,593	64,872
Accrued expenses	$ 299,185	$ 335,605