Consolidated Balance Sheets (Parenthetical) (USD $)	Feb. 29, 2012	Aug. 31, 2011
Common stock, shares authorized	600	600
Common stock, par value	$ 250	$ 250
Common stock, shares issued	476	476
Common stock, shares outstanding	476	476
Preferred Stock Class A [Member]
Preferred stock, shares authorized	100,000	100,000
Preferred stock, par value	$ 105	$ 105
Preferred stock, shares issued	72,200	72,200
Preferred stock, shares outstanding	72,200	72,200
Preferred Stock Class B [Member]
Preferred stock, shares authorized	100,000	100,000
Preferred stock, par value	$ 75	$ 75
Preferred stock, shares issued	72,200	72,200
Preferred stock, shares outstanding	72,200	72,200
Preferred Stock Class C [Member]
Preferred stock, shares authorized	100,000	100,000
Preferred stock, par value	$ 76	$ 76
Preferred stock, shares issued	72,200	72,200
Preferred stock, shares outstanding	72,200	72,200