Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	May 31, 2026	Nov. 30, 2025
Assets
Cash and cash equivalents at fair value	$ 331.2	$ 95.9
Liabilities
Long-term debt	3,606.9	3,614.9
Long-term debt, fair value	3,455.9	3,505.9
Level 1
Liabilities
Long-term debt, fair value	3,355.3	3,401.1
Level 2
Liabilities
Long-term debt, fair value	100.6	104.8
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	331.2	95.9
Insurance contracts	132.4	131.0
Bonds and money market fund investments	5.4	1.9
Total	550.8	243.8
Liabilities
Total	61.5	39.6
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	331.2	95.9
Insurance contracts	0.0	0.0
Bonds and money market fund investments	5.4	1.9
Total	390.1	97.8
Liabilities
Total	16.7	0.0
Fair Value, Measurements, Recurring | Level 2
Assets
Cash and cash equivalents	0.0	0.0
Insurance contracts	132.4	131.0
Bonds and money market fund investments	0.0	0.0
Total	160.7	146.0
Liabilities
Total	44.8	39.6
Interest rate contracts | Fair Value, Measurements, Recurring | Level 1
Liabilities
Interest rate derivatives	0.0	0.0
Interest rate contracts | Fair Value, Measurements, Recurring | Level 2
Liabilities
Interest rate derivatives	23.7	20.8
Interest rate contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets
Interest rate contracts, Fair Value	0.0	0.0
Interest rate contracts | Other accrued liabilities / Other long-term liabilities | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets
Interest rate contracts, Fair Value	23.7	20.8
Foreign exchange contracts | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives		6.5
Foreign exchange contracts | Fair Value, Measurements, Recurring | Level 1
Assets
Foreign currency derivatives	0.0	0.0
Liabilities
Foreign currency derivatives	0.0	0.0
Foreign exchange contracts | Fair Value, Measurements, Recurring | Level 2
Assets
Foreign currency derivatives	4.5	6.5
Liabilities
Foreign currency derivatives	1.1	0.7
Foreign exchange contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	4.5
Foreign exchange contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets
Foreign currency derivatives	4.5	6.5
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	1.1
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets
Foreign currency derivatives	1.1	0.7
Cross currency contracts | Fair Value, Measurements, Recurring
Liabilities
Cross currency contracts		18.1
Cross currency contracts | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets
Cross currency contracts	4.7	8.5
Liabilities
Cross currency contracts	20.0	18.1
Cross currency contracts | Fair Value, Measurements, Recurring | Level 1
Assets
Cross currency contracts	0.0	0.0
Liabilities
Cross currency contracts	0.0	0.0
Cross currency contracts | Fair Value, Measurements, Recurring | Level 2
Assets
Cross currency contracts	4.7	8.5
Liabilities
Cross currency contracts	20.0	$ 18.1
Commodity Contract | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	72.6
Liabilities
Cross currency contracts	16.7
Commodity Contract | Fair Value, Measurements, Recurring | Designated as Hedging Instrument
Assets
Cross currency contracts	72.6
Liabilities
Cross currency contracts	16.7
Commodity Contract | Fair Value, Measurements, Recurring | Level 1
Assets
Cross currency contracts	53.5
Liabilities
Cross currency contracts	16.7
Commodity Contract | Fair Value, Measurements, Recurring | Level 2
Assets
Cross currency contracts	19.1
Liabilities
Cross currency contracts	$ 0.0