Net Sales by Major Geographic Region (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2017	Oct. 01, 2016	Sep. 30, 2017	Oct. 01, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	[1]	$ 593,043	$ 574,224	$ 1,702,683	$ 1,671,035
United States and Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		390,142	383,634	1,144,247	1,090,944
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		48,842	49,219	136,407	130,809
Europe and Middle East
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		129,567	119,835	353,334	390,923
Latin America
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		24,492	21,536	68,695	58,359
Total International
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales		$ 202,901	$ 190,590	$ 558,436	$ 580,091

[1] Non-operating expenses are not allocated to the operating segments. Non-operating expenses consist of interest expense and deferred financing amortization, foreign exchange gains and losses and other income and expense items outside of income from operations.