Derivative Instruments (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 28, 2020	Mar. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Document Period End Date		Mar. 28, 2020
Revenue		$ 192,535	$ 237,661
Total cost of revenue		114,580	118,115
Foreign Exchange Forward [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	[1]	7,566	6,404
Foreign Exchange Forward [Member] | Revenue Benchmark [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		$ 1,957	$ (144)

[1] (1) The amount represents the change in fair value of derivative contracts due to changes in spot rates.