Annual report pursuant to Section 13 and 15(d)

Accrued Liabilities, Other Current Liabilities and Other Liabilities (Details)

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Accrued Liabilities, Other Current Liabilities and Other Liabilities (Details) (USD $)
In Millions, unless otherwise specified
Jul. 31, 2013
Jul. 31, 2012
Payables and Accruals [Abstract]    
Self Insurance Reserve, Current $ 0.2 $ 0.4