v2.4.0.6
Stockholder's Equity (Components Of Comprehensive Income) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Dec. 31, 2011
Dec. 25, 2010
Dec. 31, 2011
Dec. 25, 2010
Stockholder's Equity [Abstract]        
Net income $ 16,731 $ 24,621 $ 37,156 $ 73,097
Change in unrealized gain (loss) on marketable securities 63 (98) (67) (71)
Comprehensive income $ 16,794 $ 24,523 $ 37,089 $ 73,026