Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	May 31, 2024	Nov. 30, 2023
Assets
Cash and cash equivalents at fair value	$ 166.3	$ 166.6
Liabilities
Long-term debt	4,112.4	4,139.2
Long-term debt, fair value	3,858.2	3,841.0
Level 1
Liabilities
Long-term debt, fair value	3,727.6	3,682.0
Level 2
Liabilities
Long-term debt, fair value	130.6	159.0
Fair Value, Measurements, Recurring
Assets
Cash and cash equivalents at fair value	166.3	166.6
Insurance contracts	118.9	114.7
Bonds and other long-term investments	0.3	0.3
Total	315.0	308.7
Liabilities
Total	67.8	76.3
Fair Value, Measurements, Recurring | Level 1
Assets
Cash and cash equivalents	166.3	166.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	0.3	0.3
Foreign currency derivatives	0.0	0.0
Cross currency contracts	0.0	0.0
Total	166.6	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	118.9	114.7
Bonds and other long-term investments	0.0	0.0
Foreign currency derivatives	2.4	2.5
Cross currency contracts	27.1	24.6
Total	148.4	141.8
Liabilities
Foreign currency derivatives	9.0	16.0
Interest rate derivatives	53.8	52.8
Cross currency contracts	5.0	7.5
Total	67.8	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	9.0	16.0
Cross currency contracts | Fair Value, Measurements, Recurring
Assets
Cross currency contracts	27.1	24.6
Liabilities
Cross currency contracts	$ 5.0	$ 7.5