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SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Apr. 30, 2016
May. 02, 2015
Apr. 30, 2016
May. 02, 2015
Significant Accounting Policies        
Total outbound shipping and handling costs $ 111.9 $ 113.0 $ 339.3 $ 337.7