Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2022
Statement of Comprehensive Income [Abstract]
Currency translation adjustments and other, tax (expenses) benefits	$ (1.6)	$ (3.1)	$ 15.6
Changes in instrument specific credit risk, tax benefits (expenses)	9.0	$ 29.0	$ (15.6)
Income tax expense	(2.2)
Other comprehensive gains (losses) attributable to noncontrolling interest related to foreign currency adjustments	$ (2.2)

Amount, after adjustments, of tax expense (benefit) for unrealized gain (loss) from (increase) decrease in instrument-specific credit risk on contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Publisher FASB
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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests.

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Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan.

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