SHAREHOLDERS EQUITY (Details - Options outstanding and exercisable) - Equity Option - $ / shares shares in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award outstanding, quantity (in shares)	1,478	1,245	1,184	1,224
Awards outstanding, weighted-average remaining contractual life	6 years 7 months 13 days
Awards outstanding, weighted average exercise price (in usd per share)	$ 34.62	$ 28.61	$ 25.63	$ 17.76
Awards exercisable, quantity (in shares)	696	711	619
Awards exercisable, weighted-average remaining contractual life	4 years 6 months 14 days
Awards exercisable, weighted average exercise price (in usd per share)	$ 24.26	$ 17.65	$ 13.36
$6.85 to $9.77
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit (in usd per share)	6.85
Exercise price range, upper range limit (in usd per share)	$ 9.77
Award outstanding, quantity (in shares)	203
Awards outstanding, weighted-average remaining contractual life	1 year 11 months 15 days
Awards outstanding, weighted average exercise price (in usd per share)	$ 8.69
Awards exercisable, quantity (in shares)	203
Awards exercisable, weighted-average remaining contractual life	1 year 11 months 15 days
Awards exercisable, weighted average exercise price (in usd per share)	$ 8.69
$9.78 to $18.76
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit (in usd per share)	9.78
Exercise price range, upper range limit (in usd per share)	$ 18.76
Award outstanding, quantity (in shares)	148
Awards outstanding, weighted-average remaining contractual life	3 years 5 months 26 days
Awards outstanding, weighted average exercise price (in usd per share)	$ 10.11
Awards exercisable, quantity (in shares)	148
Awards exercisable, weighted-average remaining contractual life	3 years 5 months 26 days
Awards exercisable, weighted average exercise price (in usd per share)	$ 10.11
$18.77 to $33.40
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit (in usd per share)	18.77
Exercise price range, upper range limit (in usd per share)	$ 33.40
Award outstanding, quantity (in shares)	205
Awards outstanding, weighted-average remaining contractual life	5 years 7 months 20 days
Awards outstanding, weighted average exercise price (in usd per share)	$ 25.30
Awards exercisable, quantity (in shares)	141
Awards exercisable, weighted-average remaining contractual life	5 years 6 months 14 days
Awards exercisable, weighted average exercise price (in usd per share)	$ 24.51
$33.41 to $47.63
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit (in usd per share)	33.41
Exercise price range, upper range limit (in usd per share)	$ 47.63
Award outstanding, quantity (in shares)	649
Awards outstanding, weighted-average remaining contractual life	8 years 8 months 12 days
Awards outstanding, weighted average exercise price (in usd per share)	$ 42.13
Awards exercisable, quantity (in shares)	81
Awards exercisable, weighted-average remaining contractual life	7 years 10 days
Awards exercisable, weighted average exercise price (in usd per share)	$ 37.96
$47.64 to $66.14
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, lower range limit (in usd per share)	47.64
Exercise price range, upper range limit (in usd per share)	$ 66.14
Award outstanding, quantity (in shares)	273
Awards outstanding, weighted-average remaining contractual life	7 years 6 months 21 days
Awards outstanding, weighted average exercise price (in usd per share)	$ 56.33
Awards exercisable, quantity (in shares)	123
Awards exercisable, weighted-average remaining contractual life	7 years 3 months 25 days
Awards exercisable, weighted average exercise price (in usd per share)	$ 57.87