Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Apr. 01, 2018
Net income	$ 31,894	$ 20,159
Other comprehensive income (loss), net:
Foreign currency translation adjustment	6,025	(6,044)
Change in unrecognized pension loss; Unrealized gains arising during the period	0	156
Change in unrecognized pension loss; Income tax provision	0	(39)
Change in unrecognized pension loss; Unrealized gains arising during the period, net of tax	0	117
Other comprehensive income (loss), net	6,025	(5,927)
Comprehensive income	$ 37,919	$ 14,232