Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Feb. 28, 2025	Nov. 30, 2024
Assets
Cash and cash equivalents at fair value	$ 102.8	$ 186.1
Liabilities
Long-term debt	3,850.8	3,858.8
Long-term debt, fair value	3,678.4	3,677.1
Level 1
Liabilities
Long-term debt, fair value	3,570.1	3,557.3
Level 2
Liabilities
Long-term debt, fair value	108.3	119.8
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	102.8	186.1
Insurance contracts	120.9	129.2
Bonds and other long-term investments	7.3	1.3
Total	282.9	358.6
Liabilities
Total	51.1	50.4
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	102.8	186.1
Insurance contracts	0.0	0.0
Bonds and other long-term investments	7.3	1.3
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	110.1	187.4
Liabilities
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0	0.0
Total	0.0	0.0
Fair Value, Measurements, Recurring | Level 2
Assets
Cash and cash equivalents	0.0	0.0
Insurance contracts	120.9	129.2
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	7.2	5.2
Cross currency contracts	44.7	36.8
Total	172.8	171.2
Liabilities
Foreign currency derivatives	15.8	12.5
Interest rate derivatives	35.3	37.9
Total	51.1	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	7.2	5.2
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	15.8	12.5
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	44.7	36.8
Liabilities
Cross currency contracts	$ 0.0	$ 0.0