Revenue (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Nov. 30, 2024	Aug. 31, 2024
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue	$ 95.7	$ 107.9
Other long-term liabilities	6.8	$ 6.7
Remaining performance obligations	168.7
Subscription [Member]
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Deferred revenue recognized	$ 36.9