Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014		Mar. 30, 2013
Net income	$ 25,389		$ 11,488
Other comprehensive income (loss):
Pension liability adjustments, net (net of tax of $94 and $103, respectively)	(44)	[1]	(194)
Unrealized gain on investments	1,308		1,618
Foreign currency translation adjustments	(7,161)		(5,250)
Comprehensive income	$ 19,492		$ 7,662

[1] Balances are net of tax of $6,566 and $6,549 for 2014 and 2013, respectively.