STOCKHOLDERS EQUITY (Details) (USD $)	12 Months Ended
	Jul. 31, 2012 votes	Jul. 31, 2011
Stockholders' Equity
Par Value Per Share	$ 0.10
Number of Shares Authorized to be Repurchased	3,666,771
Relative Total Dividend Rate - Common Stock Plus Class A Versus Class A Plus Class B Stock	133.33%
Common Stock
Stockholders' Equity
Shares Authorized	15,000,000
Par Value Per Share	$ 0.10	$ 0.10
Voting Rights Per Share	1
Shares Repurchased, Board Approved, Cummulative	3,004,080
Shares Repurchased, Management Approved, Cummulative	146,545
Relative Dividend Rate - Common Stock Versus Class B Stock	133.33%
Class B Stock
Stockholders' Equity
Shares Authorized	7,000,000
Par Value Per Share	$ 0.10	$ 0.10
Voting Rights Per Share	10
Shares Repurchased, Board Approved, Cummulative	342,241
Class A Common Stock
Stockholders' Equity
Shares Authorized	30,000,000
Shares Outstanding	0
Voting Rights Per Share	0