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FAIR VALUE MEASUREMENTS Fair Value and Carrying Value of Debt (Details) (USD $)
In Millions, unless otherwise specified
Jul. 28, 2013
Apr. 28, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term Debt, Fair Value $ 2,611.4 $ 2,732.9
Long-term Debt $ 2,475.5 $ 2,479.1