Stockholders' Equity Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2016	Jun. 28, 2015	Jul. 03, 2016	Jun. 28, 2015
Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of year			$ (70,823)	$ (31,294)
Current-period other comprehensive income (loss)	$ 1,967	$ 4,925	15,088	(15,139)
Balance, end of the period	(55,735)	(46,433)	(55,735)	(46,433)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	443		888
Interest Expense [Member]
Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Before Tax	(724)		(1,447)
Provision for income taxes [Member]
Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	(281)		(559)
Foreign Currency Translation
Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of year			(66,163)	(28,363)
Current-period other comprehensive income (loss)			14,256	(12,494)
Balance, end of the period	(51,907)	(40,857)	(51,907)	(40,857)
Cash Flow Hedges
Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of year			(3,571)	(2,044)
Current-period other comprehensive income (loss)			888	(2,442)
Balance, end of the period	(2,683)	(4,486)	(2,683)	(4,486)
Pension
Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward]
Balance, beginning of year			(1,089)	(887)
Current-period other comprehensive income (loss)			(56)	(203)
Balance, end of the period	$ (1,145)	$ (1,090)	$ (1,145)	$ (1,090)