Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Net income	$ 29,876	$ (1,845)	$ 50,035	$ 20,496
Other comprehensive (loss) income, net:
Foreign currency translation adjustment	(4,325)	6,065	(10,369)	8,010
Change in unrecognized pension loss; Unrealized gains arising during the period	0	0	156	156
Change in unrecognized pension loss; Income tax provision	0	0	(39)	(60)
Change in unrecognized pension loss; Unrealized gains arising during the period, net of tax	0	0	117	96
Effect of cash flow hedges; Reclassification of losses into Net income	0	724	0	1,447
Effect of cash flow hedge; Income tax provision	0	(281)	0	(559)
Effect of cash flow hedges; Reclassification of losses into Net income, net of tax	0	443	0	888
Other comprehensive (loss) income, net	(4,325)	6,508	(10,252)	8,994
Comprehensive income	$ 25,551	$ 4,663	$ 39,783	$ 29,490