Revenue from Contracts with Customers Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 652,300	$ 616,900	$ 589,500
Revenue, Remaining Performance Obligation, Amount	4,900
Transferred at Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenues	512,300	472,700	456,900
Transferred over Time [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 140,000	$ 144,200	$ 132,600