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SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Apr. 28, 2012
Apr. 30, 2011
Apr. 28, 2012
Apr. 30, 2011
Shipping and Handling Fees and Costs        
Outbound shipping and handling costs, excluding employee benefit expenses $ 75.7 $ 68.9 $ 219.7 $ 198.1