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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Net income $ 26,780 $ 26,847
Other comprehensive income (loss):    
Unrealized holding (losses) gains on available-for-sale investments, net of tax benefit (expense) of $31 and ($100) (58) 182
Foreign currency translation (losses) gains (225) 204
Other comprehensive (loss) income (283) 386
Comprehensive income $ 26,497 $ 27,233