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Accumulated Other Comprehensive Income
9 Months Ended
Sep. 25, 2015
Equity [Abstract]  
Accumulated Other Comprehensive Income
Accumulated Other Comprehensive Income
    
Accumulated other comprehensive income on our consolidated balance sheets as of September 25, 2015 and December 31, 2014 consisted of accumulated unrealized gain on available-for-sale securities, net of tax. As of September 25, 2015, accumulated unrecognized gain on available-for-sale securities, net of tax, was $9.1 million. As of December 31, 2014, accumulated unrecognized gain on available-for-sale securities, net of tax, was $9.6 million.