Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Aug. 31, 2021	Nov. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents at fair value	$ 312.6	$ 423.6
Long-term debt	4,753.5	4,017.7
Long-term debt, fair value	5,009.5	4,357.1
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	4,807.4	4,161.3
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	202.1	195.8
Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Cash and cash equivalents		423.6
Insurance contracts	138.8	126.0
Bonds and other long-term investments	2.0	3.9
Assets, Fair Value Disclosure	492.4	598.0
Liabilities [Abstract]
Total	18.8	27.0
Fair Value, Measurements, Recurring [Member] | Level 1
Assets [Abstract]
Cash and cash equivalents	312.6	423.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	2.0	3.9
Interest Rate Derivative Assets, at Fair Value	0.0
Foreign currency derivatives	0.0	0.0
Assets, Fair Value Disclosure	314.6	427.5
Liabilities [Abstract]
Foreign currency derivatives	0.0	0.0
Interest rate derivatives	0.0
Total	0.0	0.0
Fair Value, Measurements, Recurring [Member] | Level 2
Assets [Abstract]
Cash and cash equivalents	0.0	0.0
Insurance contracts	138.8	126.0
Bonds and other long-term investments	0.0	0.0
Interest Rate Derivative Assets, at Fair Value	30.0	43.1
Foreign currency derivatives	6.2	1.4
Assets, Fair Value Disclosure	177.8	170.5
Liabilities [Abstract]
Foreign currency derivatives	1.6	8.2
Cross currency contracts	17.2	18.8
Total	18.8	27.0
Assets [Member] | Fair Value, Measurements, Recurring [Member] | Level 2
Liabilities [Abstract]
Cross currency contracts	2.8
Interest rate contracts | Other accrued liabilities
Assets [Abstract]
Interest rate contracts, Fair Value	0.0
Interest rate contracts | Other accrued liabilities | Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Interest rate contracts, Fair Value		0.0
Foreign exchange contracts | Other current assets / Other long-term assets | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net	6.2	1.4
Foreign exchange contracts | Other accrued liabilities | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net	1.6	8.2
Cross currency contracts | Assets [Member] | Fair Value, Measurements, Recurring [Member]
Liabilities [Abstract]
Cross currency contracts	2.8	0.0
Cross currency contracts | Liability [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net		18.8
Liabilities [Abstract]
Cross currency contracts	$ 17.2	$ 18.8