NOTES PAYABLE (Tables)

12 Months Ended

Jul. 31, 2012

Notes Payable [Abstract]

Schedule of Debt [Table Text Block]

The composition of notes payable is as follows as of July 31 (in thousands):

	2012			2011
Prudential Insurance Company of America, Prudential Retirement Insurance and Annuity Company, Forethought Life Insurance Company, Physicians Mutual Insurance Company and BCBSM, Inc.
Payable in annual principal installments on August 1: $3,083 in each fiscal year 2016 through 2021. Interest is payable semiannually at an annual rate of 3.96%	$	18,500		$	18,500
Prudential Financial
Payable in annual principal installments on April 15: $1,500 in fiscal 2013. Interest is payable semiannually at an annual rate of 6.55%	1,500			3,000
The Prudential Insurance Company of America and Prudential Retirement Insurance and Annuity Company
Payable in annual principal installments on October 15: $2,300 in fiscal 2013; $3,500 in fiscal 2014 and 2015; and $400 in fiscal 2016. Interest is payable semiannually at an annual rate of 5.89%	9,700			11,800
	$	29,700		$	33,300
Less current maturities of notes payable	(3,800		)	(3,600		)
	$	25,900		$	29,700

Schedule of Maturities of Long-term Debt [Table Text Block]

The following is a schedule by fiscal year of future maturities of notes payable as of July 31, 2012 (in thousands):

2013	$	3,800
2014	3,500
2015	3,500
2016	3,483
2017	3,083
Later years	12,334
	29,700