Receivables and Financing Arrangements (Details) (USD $)	Jul. 31, 2014	Jul. 31, 2013
Receivables [Abstract]
Consumer Credit Card Financing Receivables	$ 55,690,000	$ 49,948,000
Consumer Credit Card Financing Receivables Percentage Current	97.00%	97.00%
Consumer Credit Card Financing Receivable Allowance For Credit Losses	1,000,000	1,500,000
Financing Receivables Gross Current	17,059,000	7,807,000
Financing Receivables Gross Non Current	$ 49,231,000	$ 64,425,000