XML 82 R21.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investments And Restricted Investments (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
Aug. 03, 2013
Feb. 02, 2013
Jul. 28, 2012
Investment [Line Items]      
Underlying assets in non-qualified deferred compensation program $ 86.3 $ 76.9 $ 74.2
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
     
Investment [Line Items]      
Underlying assets in non-qualified deferred compensation program 74.6 65.9 63.5
Significant Other Observable Inputs (Level 2) [Member]
     
Investment [Line Items]      
Underlying assets in non-qualified deferred compensation program $ 11.7 $ 11.0 $ 10.7