SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 28, 2012	Jan. 29, 2011	Jan. 28, 2012	Jan. 29, 2011
Shipping and Handling Fees and Costs
Outbound shipping and handling costs, excluding employee benefit expenses	$ 74.2	$ 66.6	$ 144.0	$ 129.3