Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Apr. 01, 2016
Defined Benefit Plan Liability
Defined Benefit Plan Liability, Beginning	$ (1,475)	$ (1,179)
Defined Benefit Plan Liability, Ending	(1,475)	(1,179)
Cash Flow Hedges
Cash Flow Hedges, Beginning	1,420	(2,392)
Unrealized loss on cash flow hedges	1,712	(54)
Realized gain loss on foreign currency hedges - before tax	1,086	619
Realized gain loss on interest rate swaps - before tax	(106)
Cash Flow Hedges, End	4,112	(1,827)
Foreign Currency Translation Adjustment
Foreign Currency Translation Adjustment, Beginning	(15,660)	3,609
Net foreign currency translation gain (loss)	6,536	18,760
Foreign Currency Translation Adjustment, End	(9,124)	22,369
Total Pre-Tax Amount
Total Pre-Tax Amount, Beginning	(15,715)	38
Unrealized loss on cash flow hedges	1,712	(54)
Realized gain loss on foreign currency hedges - before tax	1,086	619
Realized gain loss on interest rate swaps - before tax	(106)
Net foreign currency translation gain (loss)	6,536	18,760
Total Pre-Tax Amount, End	(6,487)	19,363
Tax
Tax, Beginning	(285)	1,332
Unrealized gain (loss) on cash flow hedges	(599)	19
Realized gain loss on foreign currency contracts - tax	(380)	(217)
Realized gain loss on interest rate swap hedges - tax	37
Net foreign currency translation gain (loss)	0	0
Tax, End	(1,227)	1,134
Net-of-Tax Amount
Total Net-of-Tax Amount, Beginning	(16,000)	1,370
Unrealized gain (loss) on cash flow hedges, net of tax	1,113	(35)
Realized gain loss on foreign currency hedges, net of tax	706	402
Realized gain loss on interest rate swap hedges, net of tax	(69)
Foreign currency translation gain (loss)	6,536	18,760
Total Net-of-Tax Amount, End	$ (7,714)	$ 20,497