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	$ 101,037	$ 174,976	$ 188,010	$ 260,197
Other comprehensive income, net of tax:
Foreign currency translation adjustment	(29,322)	15,981	(18,781)	24,944
Available-for-sale marketable securities:
Unrealized gains (losses) on marketable securities arising during period, net of tax of $(25), $765, $(744), $1,185, respectively	198	985	(2,489)	1,498
Less: Reclassification adjustment for (gains) losses included in net income, net of tax of $(68), $(42), $11, $(106) respectively	(199)	(83)	1,469	(177)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Total	(1)	902	(1,020)	1,321
Defined benefit pension and post-retirement plans:
Amortization of prior service benefit included in net periodic pension and post-retirement benefit, net of tax of $(18), $(38), $(35), $(77), respectively	(61)	(68)	(123)	(136)
Other comprehensive (loss) income	(29,384)	16,815	(19,924)	26,129
Comprehensive income	$ 71,653	$ 191,791	$ 168,086	$ 286,326

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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