Leases (Schedule Of Future Minimum Rental Payments Receivable) (Details) (USD $) In Thousands, unless otherwise specified	Aug. 31, 2014	Aug. 31, 2013
Leases [Abstract]
Operating, 2015	$ 6,976
Operating, 2016	6,891
Operating, 2017	6,919
Operating, 2018	6,971
Operating, 2019	6,930
Operating, Thereafter	34,254
Operating, Total	68,941
Direct Financing, 2015	319
Direct Financing, 2016	174
Direct Financing, 2017	133
Direct Financing, 2018	65
Direct Financing, 2019	14
Direct Financing, Thereafter	12
Direct Financing, Total	717	1,701
Unearned income, Direct Financing	(82)	(170)
Net investment in direct financing leases	$ 635	$ 1,531