Leases (Operating Lease Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Leases [Abstract]
Operating Lease, Cost	$ 12,600	$ 12,300	$ 12,600
Short-term Lease, Cost	1,500	1,700	2,000
Variable Lease, Cost	$ 3,200	$ 3,000	$ 2,900
Schedule Of Operating Leased Balance Sheet Items [Line Items]
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other Liabilities	Other Liabilities