Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
Net income	$ 147,689	$ 138,809	$ 146,009
Other comprehensive loss:
Unrealized holding losses on available-for-sale investments, net of tax benefit of $109, $76 and $365	(199)	(139)	(664)
Foreign currency translation losses	(2,104)	(1,034)	(718)
Other comprehensive loss	(2,303)	(1,173)	(1,382)
Comprehensive income	$ 145,386	$ 137,636	$ 144,627