Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 31, 2022	Nov. 30, 2021
Assets
Cash and cash equivalents at fair value	$ 343.9	$ 351.7
Liabilities
Long-term debt	3,925.4	4,743.6
Long-term debt, fair value	3,675.1	4,921.5
Level 1
Liabilities
Long-term debt, fair value	3,496.2	4,722.3
Level 2
Liabilities
Long-term debt, fair value	178.9	199.2
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	343.9	351.7
Insurance contracts	109.1	132.2
Bonds and other long-term investments	6.8	5.1
Total	532.2	524.8
Liabilities
Total	40.8	10.8
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	343.9	351.7
Insurance contracts	0.0	0.0
Bonds and other long-term investments	6.8	5.1
Interest rate derivatives		0.0
Foreign currency derivatives	0.0	0.0
Total	350.7	356.8
Liabilities
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	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	109.1	132.2
Bonds and other long-term investments	0.0	0.0
Interest rate derivatives		23.1
Foreign currency derivatives	14.9	8.3
Total	181.5	168.0
Liabilities
Foreign currency derivatives	2.3	2.8
Interest rate derivatives	30.8
Cross currency contracts	7.7	8.0
Total	40.8	10.8
Assets | Fair Value, Measurements, Recurring | Level 1
Assets
Cross currency contracts	0.0	0.0
Assets | Fair Value, Measurements, Recurring | Level 2
Assets
Cross currency contracts	57.5	4.4
Interest rate contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring
Assets
Interest rate contracts, Fair Value	0.0	23.1
Foreign exchange contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	14.9	8.3
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	2.3	2.8
Cross currency contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	$ 57.5	4.4
Cross currency contracts | Liability | Fair Value, Measurements, Recurring
Liabilities
Cross currency contracts		$ 8.0