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Condensed Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 28, 2012
Jul. 30, 2011
Jul. 28, 2012
Jul. 30, 2011
Condensed Consolidated Statements Of Comprehensive Income [Abstract]        
Unrealized losses on derivative instruments, tax $ 308 $ 50 $ 444 $ 101
Net (income) loss from derivatives reclassified into earnings, tax $ 20 $ 3 $ 11 $ 9