DEBT Debt (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Debt Instrument
Shelf Notes	$ 75,000
Unsecured Debt	75,000	$ 45,000
Line Of Credit Facility Accordion Provision Increase Limit	50,000
Permitted acquisitions threshold	100,000	45,000
Letters of Credit Outstanding, Amount	$ 3,000	2,900
Series B Senior Notes
Debt Instrument
Starting payments	May 15, 2020
Face amount	$ 10,000
Annual rate	3.95%
Ending payments	May 15, 2030
Long-Term Debt	$ 5,000	6,000
Series C Senior Notes
Debt Instrument
Starting payments	Dec. 16, 2021
Face amount	$ 25,000
Annual rate	3.25%
Ending payments	Dec. 16, 2031
Long-Term Debt	$ 25,000	25,000
Series D Senior Notes
Debt Instrument
Starting payments	Apr. 30, 2024
Face amount	$ 10,000
Annual rate	6.47%
Ending payments	Apr. 30, 2033
Long-Term Debt	$ 10,000	10,000
Line of Credit
Debt Instrument
Long-Term Debt	$ 0	10,000
Expiration date	Sep. 30, 2029
Maximum borrowing capacity	$ 75,000
Maximum borrowing capacity for letters of credit	20,000
Proceeds from Lines of Credit	0
Repayments of Lines of Credit	10,000
Letter of Credit
Debt Instrument
Maximum borrowing capacity for letters of credit	$ 20,000	$ 10,000
Prime Rate | Line of Credit
Debt Instrument
Variable interest rate	7.50%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Line of Credit
Debt Instrument
Variable interest rate	5.55%