Fair Value of Financial Instruments- Fair Value (Details) - USD ($) $ in Millions	May 31, 2026	Nov. 30, 2025
Financial assets carried at fair value
Short-term investments in marketable securities	$ 128.5	$ 90.9
Fair Value \| Fair Value, Recurring
Financial assets carried at fair value
Rabbi trust assets	112.4	107.7
Short-term investments in marketable securities	128.5	90.9
Forward foreign exchange contracts	11.7	6.8
Total	252.6	205.4
Financial liabilities carried at fair value
Forward foreign exchange contracts	12.0	13.4
Fair Value \| Fair Value, Recurring \| Level 1 Inputs
Financial assets carried at fair value
Rabbi trust assets	112.4	107.7
Short-term investments in marketable securities		0.0
Forward foreign exchange contracts	0.0	0.0
Total	112.4	107.7
Financial liabilities carried at fair value
Forward foreign exchange contracts	0.0	0.0
Fair Value \| Fair Value, Recurring \| Level 2 Inputs
Financial assets carried at fair value
Rabbi trust assets	0.0	0.0
Short-term investments in marketable securities	128.5	90.9
Forward foreign exchange contracts	11.7	6.8
Total	140.2	97.7
Financial liabilities carried at fair value
Forward foreign exchange contracts	$ 12.0	$ 13.4

Fair value portion of asset recognized for present right to economic benefit.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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Fair value portion of other assets.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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