Accrued Expenses (Details) - USD ($) $ in Thousands	Jul. 01, 2017	Dec. 31, 2016
Disclosure Accrued Expenses [Abstract]
Accrued payroll and related expenses	$ 62,232	$ 74,505
Standard Product Warranty Accrual, Current	48,965	40,851
Advanced customer deposits	40,394	41,735
Accrued warranty	48,965	40,851
Product Liability Contingency, Loss Exposure in Excess of Accrual, High Estimate	6,154	7,003
Accured Restructuring Liabilities, Current	3,945	2,295
Accrued customer rebates	29,972	49,923
Accrued Product Liability And Workers Compensation Liability Current	11,557	11,417
Accrued agent commission	11,644	12,834
Accrued professional services	13,460	16,605
Sales and Excise Tax Payable, Current	13,093	13,565
Other accrued expenses	49,439	64,872
Accrued expenses	$ 290,855	$ 335,605