Reconciliation of Income Taxes at Federal Statutory Rate to Effective Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal statutory rate	21.00%	21.00%	21.00%
State income taxes, net of federal effect	0.30%	0.20%	1.30%
Net effects of foreign tax rate differential and credits		3.30%	4.20%
Effective Income Tax Rate Reconciliation, FDDEI, Percent	(3.10%)	(1.90%)	(2.30%)
Effective Income Tax Rate Reconciliation, Compensation Adjustment		0.70%	2.00%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent		0.00%	(4.10%)
Changes in liability for unrecognized tax benefits	(0.30%)	0.20%	(1.30%)
Effective Income Tax Rate Reconciliation, U.S. Legislative changes		(0.70%)	1.60%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent	2.10%	0.00%	0.30%
Effective Income Tax Rate Reconciliation, Audits and Adjustments		0.30%	0.40%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Research and Development, Percent		(0.40%)	(0.60%)
Effective income tax rate	23.70%	23.20%	22.10%
Impairment and divestiture (benefit) charges	$ 0	$ 0	$ 100
Effective Income Tax Rate Reconciliation, Withholding Tax, Foreign, Amount		3,000	3,400
Effective Income Tax Rate Reconciliation audits and adjustments, amount		$ 400	$ 400
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	United States
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	$ 400
Effective Income Tax Rate Reconciliation, FDDEI, Amount	$ (3,700)
Effective Income Tax Rate Reconciliation, Cross Border Tax Laws, Unremitted Earnings, Percent	1.40%
Effective Income Tax Rate Reconciliation, Cross Border Tax Laws, Unremitted Earnings, Amount	$ 1,600
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Percent	0.60%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent	0.20%	0.50%	(0.40%)
Effective Income Tax Rate Reconciliation, Cross-Border, Other, Amount	$ 700
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	(0.30%)
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ (300)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount	$ 2,400
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent	(1.30%)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount	$ (1,600)
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount	(300)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	200
Income tax expense	27,800	$ 28,000	$ 23,300
Income Tax Disclosure Additional Details [Line Items]
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 200
Net effects of foreign tax rate differential and credits		3.30%	4.20%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent	0.20%	0.50%	(0.40%)
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 24,700
Effective Income Tax Rate Reconciliation audits and adjustments, amount		$ 400	$ 400
NETHERLANDS
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Net effects of foreign tax rate differential and credits	1.80%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ 2,100
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent	0.40%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 500
Income Tax Disclosure Additional Details [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	2,100
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 500
Net effects of foreign tax rate differential and credits	1.80%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent	0.40%
UNITED KINGDOM
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Net effects of foreign tax rate differential and credits	(1.10%)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ (1,300)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent	0.90%
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 1,100
Income Tax Disclosure Additional Details [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	(1,300)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 1,100
Net effects of foreign tax rate differential and credits	(1.10%)
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent	0.90%
All Other Foreign Countries
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Net effects of foreign tax rate differential and credits	1.10%
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ 1,300
Income Tax Disclosure Additional Details [Line Items]
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	$ 1,300
Net effects of foreign tax rate differential and credits	1.10%