Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 31, 2023	Nov. 30, 2022
Assets
Cash and cash equivalents at fair value	$ 154.7	$ 334.0
Liabilities
Long-term debt	4,390.1	3,912.9
Long-term debt, fair value	4,087.4	3,600.9
Level 1
Liabilities
Long-term debt, fair value	3,923.0	3,424.8
Level 2
Liabilities
Long-term debt, fair value	164.4	176.1
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	154.7	334.0
Insurance contracts	114.6	110.0
Bonds and other long-term investments	2.3	5.1
Total	298.6	504.6
Liabilities
Total	80.4	52.2
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	154.7	334.0
Insurance contracts	0.0	0.0
Bonds and other long-term investments	2.3	5.1
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	157.0	339.1
Liabilities
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0	0.0
Cross currency contracts	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	114.6	110.0
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	3.6	11.0
Cross currency contracts	23.4	44.5
Total	141.6	165.5
Liabilities
Foreign currency derivatives	18.9	1.5
Interest rate derivatives	56.3	42.4
Cross currency contracts	5.2	8.3
Total	80.4	52.2
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	3.6	11.0
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	18.9	1.5
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	23.4	44.5
Liabilities
Cross currency contracts	$ 5.2	$ 8.3