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Basis of Presentation and Significant Accounting Policies (Narratives) (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2025	Feb. 29, 2024	Nov. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash equivalents	$ 48.7		$ 385.1
Other comprehensive income (loss)	$ 109.6	$ 138.7

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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