Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Feb. 29, 2024	Nov. 30, 2023
Assets
Cash and cash equivalents at fair value	$ 178.0	$ 166.6
Liabilities
Long-term debt	4,127.5	4,139.2
Long-term debt, fair value	3,871.9	3,841.0
Level 1
Liabilities
Long-term debt, fair value	3,727.1	3,682.0
Level 2
Liabilities
Long-term debt, fair value	144.8	159.0
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	178.0	166.6
Insurance contracts	117.0	114.7
Bonds and other long-term investments	1.3	0.3
Total	326.8	308.7
Liabilities
Total	74.9	76.3
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	178.0	166.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	1.3	0.3
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	179.3	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	117.0	114.7
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	2.6	2.5
Cross currency contracts	27.9	24.6
Total	147.5	141.8
Liabilities
Foreign currency derivatives	18.1	16.0
Interest rate derivatives	51.9	52.8
Cross currency contracts	4.9	7.5
Total	74.9	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	2.6	2.5
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring
Assets
Foreign currency derivatives	18.1	16.0
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	27.9	24.6
Liabilities
Cross currency contracts	$ 4.9	$ 7.5