Investments - OpNet - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023	May 07, 2024
Schedule of Equity Method Investments [Line Items]
Total equity method pickup earnings (losses) recognized in Other revenues	$ 25.0	$ (78.1)	$ 62.2	$ (229.9)
OpNet
Schedule of Equity Method Investments [Line Items]
Increase (decrease) in ownership percentage					57.50%
Increase (decrease) in voting percentage					72.60%
Payments to acquire investments		54.2		142.8
Total equity method pickup earnings (losses) recognized in Other revenues		$ 35.3		$ 157.1