Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Allowance For Doubtful Accounts [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	$ 5,151	$ 5,048	$ 4,118
Charges to costs and expenses	1,725	694	881
Charged to other accounts	0	0	0
Deductions	787	591	(49)
Balance at end of period	6,089	5,151	5,048
Deferred Tax Asset Valuation Allowance [Member]
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period	534	491	1,203
Charges to costs and expenses	0	0	0
Charged to other accounts	0	43	0
Deductions	0	0	(712)
Balance at end of period	$ 534	$ 534	$ 491