Leases (Narrative) (Details)	12 Months Ended
	Aug. 31, 2014 item
Leases [Line Items]
Lease expiration date	Sep. 30, 2030
Lease renewal options, initial term period	5 years
Number of lease agreements executed	1
Company Drive Ins [Member]
Leases [Line Items]
Lease expiration date	Aug. 31, 2030
Signs [Member]
Leases [Line Items]
Lease expiration date	Nov. 30, 2021
Capital Leases [Member]
Leases [Line Items]
Lease expiration date	Mar. 01, 2018