Accumulated Other Comprehensive Loss - Changes in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ 530,768	$ 272,673	$ 236,397
Net current period other comprehensive income (loss)	(9,111)	(39,775)	9,355
Ending Balance	577,636	530,768	272,673
Unrealized Gains and (Losses) on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance			(391)
Other comprehensive (loss) income before reclassifications			(37)
Amounts reclassified from accumulated other comprehensive loss, net of tax			428
Net current period other comprehensive income (loss)			391
Unrealized Gains and (Losses) on Derivative Instruments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(2,309)
Other comprehensive (loss) income before reclassifications	(2,616)	(2,741)
Amounts reclassified from accumulated other comprehensive loss, net of tax	(866)	432
Tax effect	419
Net current period other comprehensive income (loss)	(3,063)	(2,309)
Ending Balance	(5,372)	(2,309)
Foreign Currency Items [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(43,944)	(6,478)	(15,442)
Other comprehensive (loss) income before reclassifications	(9,515)	(37,466)	8,964
Tax effect	3,467
Net current period other comprehensive income (loss)	(6,048)	(37,466)	8,964
Ending Balance	(49,992)	(43,944)	(6,478)
Accumulated other comprehensive income (loss) [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(46,253)	(6,478)	(15,833)
Other comprehensive (loss) income before reclassifications	(12,131)	(40,207)	8,927
Amounts reclassified from accumulated other comprehensive loss, net of tax	(866)	432	428
Tax effect	3,886
Net current period other comprehensive income (loss)	(9,111)	(39,775)	9,355
Ending Balance	$ (55,364)	$ (46,253)	$ (6,478)