Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Net income	$ 32,386	$ 29,876	$ 64,280	$ 50,035
Other comprehensive income (loss), net:
Foreign currency translation adjustment	3,835	(4,325)	9,860	(10,369)
Change in unrecognized pension loss; Unrealized gains arising during the period	0	0	0	156
Change in unrecognized pension loss; Income tax provision	0	0	0	(39)
Change in unrecognized pension loss; Unrealized gains arising during the period, net of tax	0	0	0	117
Other comprehensive income (loss), net	3,835	(4,325)	9,860	(10,252)
Comprehensive income	$ 36,221	$ 25,551	$ 74,140	$ 39,783