CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2015	Jun. 27, 2014	Jul. 03, 2015	Jun. 27, 2014
Net loss	$ (994)	$ (37,062)	$ (3,651)	$ (42,472)
Other comprehensive income (loss) before tax:
Unrealized gains arising during the period	516	0	332	0
Gains reclassified into earnings	(138)	0	(187)	0
Change in unrealized losses on cash flow hedges:	378	0	145	0
Change in unrealized gains (loss) on available-for-sale securities:	460	(32)	945	(25)
Change in foreign currency translation adjustments	582	190	(402)	230
Other comprehensive income before tax	1,420	158	688	205
Benefit from income taxes	(10)	(4)	(6)	(5)
Other comprehensive income, net of tax	1,430	162	694	210
Total comprehensive income (loss)	$ 436	$ (36,900)	$ (2,957)	$ (42,262)