Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 31, 2025	Nov. 30, 2024
Assets
Cash and cash equivalents at fair value	$ 94.9	$ 186.1
Liabilities
Long-term debt	3,862.2	3,858.8
Long-term debt, fair value	3,714.3	3,677.1
Level 1
Liabilities
Long-term debt, fair value	3,607.7	3,557.3
Level 2
Liabilities
Long-term debt, fair value	106.6	119.8
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	94.9	186.1
Insurance contracts	126.8	129.2
Bonds and money market fund	1.4	1.3
Total	231.6	358.6
Liabilities
Total	50.3	50.4
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	94.9	186.1
Insurance contracts	0.0	0.0
Bonds and money market fund	1.4	1.3
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	96.3	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	126.8	129.2
Bonds and money market fund	0.0	0.0
Foreign currency derivatives	3.4	5.2
Cross currency contracts	5.1	36.8
Total	135.3	171.2
Liabilities
Foreign currency derivatives	5.9	12.5
Interest rate derivatives	24.9	37.9
Cross currency contracts	19.5
Total	50.3	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	3.4	5.2
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	5.9	12.5
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	5.1	36.8
Liabilities
Cross currency contracts	$ 19.5	$ 0.0