Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 31, 2024	Nov. 30, 2023
Assets
Cash and cash equivalents at fair value	$ 200.8	$ 166.6
Liabilities
Long-term debt	3,407.3	4,139.2
Long-term debt, fair value	3,257.1	3,841.0
Level 1
Liabilities
Long-term debt, fair value	3,141.0	3,682.0
Level 2
Liabilities
Long-term debt, fair value	116.1	159.0
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	200.8	166.6
Insurance contracts	124.7	114.7
Bonds and other long-term investments	5.6	0.3
Total	352.1	308.7
Liabilities
Total	58.6	76.3
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	200.8	166.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	5.6	0.3
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	206.4	166.9
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	124.7	114.7
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	2.4	2.5
Cross currency contracts	18.6	24.6
Total	145.7	141.8
Liabilities
Foreign currency derivatives	16.7	16.0
Interest rate derivatives	36.0	52.8
Cross currency contracts	5.9	7.5
Total	58.6	76.3
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	2.4	2.5
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	16.7	16.0
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	18.6	24.6
Liabilities
Cross currency contracts	$ 5.9	$ 7.5