Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 203,086	$ 252,417	$ 158,898
Other comprehensive loss, net of tax effects:
Foreign currency translation adjustments	(12,801)	(25,276)	(11,476)
Changes in unrealized holding gains or losses on available-for-sale securities, net of reclassification adjustments for realized gains and losses	716	169	(305)
Changes in defined benefit plan liabilities	(650)	335	(183)
Total other comprehensive loss, net of tax effects	(12,735)	(24,772)	(11,964)
Comprehensive income	$ 190,351	$ 227,645	$ 146,934