Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Net income	$ 391,249	$ 14,257	$ 441,284	$ 34,753
Other comprehensive income (loss), net:
Foreign currency translation adjustment	5,315	8,787	(5,054)	16,797
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	723	0	2,170
Effect of cash flow hedge; Income tax provision	0	(279)	0	(838)
Effect of cash flow hedges; Reclassification of losses into Net income, net of tax	0	444	0	1,332
Other comprehensive income (loss), net	5,315	9,231	(4,937)	18,225
Comprehensive income	$ 396,564	$ 23,488	$ 436,347	$ 52,978