EARNINGS PER SHARE - Weighted Average Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Numerator
Net income used for calculating Basic EPS	$ 597,040	$ 537,126	$ 468,173
Net income used for calculating Diluted EPS	$ 597,040	$ 537,126	$ 468,173
Denominator
Weighted average common shares used in the calculation of Basic EPS (in shares)	37,924	38,059	38,194
Common stock equivalents associated with stock-based compensation plans (in shares)	461	559	704
Shares used in the calculation of Diluted EPS (in shares)	38,385	38,618	38,898
Basic EPS (in USD per share)	$ 15.74	$ 14.11	$ 12.26
Diluted EPS (in USD per share)	$ 15.55	$ 13.91	$ 12.04