Compensation Plans - Compensation Cost (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	$ 150.0	$ 151.6	$ 341.1	$ 309.7
Profit sharing plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	2.2	1.9	10.0	9.3
Restricted cash awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	124.9	131.5	257.5	246.6
Restricted stock and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs	$ 22.9	$ 18.2	$ 73.6	$ 53.8

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details