XML 14 R50.htm IDEA: XBRL DOCUMENT  v2.3.0.11
FAIR VALUE MEASUREMENTS Fair Value and Carrying Value of Debt (Details) (USD $)
In Millions
Jul. 31, 2011
May 01, 2011
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt, Fair Value $ 2,310.4 $ 2,418.0
Long-term Debt $ 2,035.5 $ 2,094.7