Income Taxes Schedule of Provision For Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 31, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
U.S. Federal									$ 30,970	$ 29,089	$ 30,989
State									3,139	2,873	3,751
Foreign									6,105	10,930	11,224
Current, Total									40,214	42,892	45,964
U.S. Federal									(2,645)	(20,347)	(6,741)
State									134	(326)	(1,164)
Foreign									(723)	(246)	(294)
Deferred, Total									(3,234)	(20,919)	(8,199)
Provision for income taxes	$ 8,927	$ 10,780	$ 7,258	$ 10,015	$ (5,609)	$ 8,847	$ 9,698	$ 9,037	$ 36,980	$ 21,973	$ 37,765