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Basis of Presentation and Significant Accounting Policies (Narratives) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 31, 2024
May 31, 2023
May 31, 2024
May 31, 2023
Nov. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]          
Cash equivalents $ 528.7   $ 528.7   $ 508.2
Other comprehensive income (loss) $ 168.4 $ 164.4 $ 307.1 $ 289.9