Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Feb. 28, 2021	Nov. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents at fair value	$ 256.1	$ 423.6
Long-term debt	5,005.1	4,017.7
Long-term debt, fair value	5,274.7	4,357.1
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	5,068.8	4,161.3
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt, fair value	205.9	195.8
Fair Value, Measurements, Recurring [Member]
Assets [Abstract]
Cash and cash equivalents		423.6
Insurance contracts	124.1	126.0
Bonds and other long-term investments	6.2	3.9
Assets, Fair Value Disclosure	420.5	598.0
Liabilities [Abstract]
Total	34.5	27.0
Fair Value, Measurements, Recurring [Member] | Level 1
Assets [Abstract]
Cash and cash equivalents	256.1	423.6
Insurance contracts	0.0	0.0
Bonds and other long-term investments	6.2	3.9
Interest Rate Derivative Assets, at Fair Value	0.0
Foreign currency derivatives	0.0	0.0
Assets, Fair Value Disclosure	262.3	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	124.1	126.0
Bonds and other long-term investments	0.0	0.0
Interest Rate Derivative Assets, at Fair Value	31.2	43.1
Foreign currency derivatives	2.7	1.4
Assets, Fair Value Disclosure	158.2	170.5
Liabilities [Abstract]
Foreign currency derivatives	13.2	8.2
Cross currency contracts	21.3	18.8
Total	34.5	27.0
Assets [Member] | Fair Value, Measurements, Recurring [Member] | Level 2
Liabilities [Abstract]
Cross currency contracts	0.2
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	2.7	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	13.2	8.2
Cross currency contracts | Assets [Member] | Fair Value, Measurements, Recurring [Member]
Liabilities [Abstract]
Cross currency contracts	0.2	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	$ 21.3	$ 18.8