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Compensation Plans - Compensation Cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2024	Aug. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	$ 119.2	$ 75.0	$ 374.9	$ 230.0
Profit sharing plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	2.1	1.8	11.2	10.1
Restricted cash awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	103.7	61.9	315.8	184.4
Restricted stock and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost	$ 13.4	$ 11.3	$ 47.9	$ 35.5

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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