Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	May 31, 2025	Nov. 30, 2024
Assets
Cash and cash equivalents at fair value	$ 124.1	$ 186.1
Liabilities
Long-term debt	3,856.0	3,858.8
Long-term debt, fair value	3,652.3	3,677.1
Level 1
Liabilities
Long-term debt, fair value	3,545.1	3,557.3
Level 2
Liabilities
Long-term debt, fair value	107.2	119.8
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	124.1	186.1
Insurance contracts	119.6	129.2
Bonds and other long-term investments	6.5	1.3
Total	266.5	358.6
Liabilities
Total	47.9	50.4
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	124.1	186.1
Insurance contracts	0.0	0.0
Bonds and other long-term investments	6.5	1.3
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	130.6	187.4
Liabilities
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0	0.0
Cross currency contracts	0.0
Total	0.0	0.0
Fair Value, Measurements, Recurring | Level 2
Assets
Cash and cash equivalents	0.0	0.0
Insurance contracts	119.6	129.2
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	2.8	5.2
Cross currency contracts	13.5	36.8
Total	135.9	171.2
Liabilities
Foreign currency derivatives	5.3	12.5
Interest rate derivatives	29.7	37.9
Cross currency contracts	12.9
Total	47.9	50.4
Interest rate contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring
Assets
Interest rate contracts, Fair Value	0.0	0.0
Foreign exchange contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	2.8	5.2
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	5.3	12.5
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	13.5	36.8
Liabilities
Cross currency contracts	$ 12.9	$ 0.0