Financial Instruments (Fair Value Hedges) (Details) - USD ($) $ in Millions	12 Months Ended
Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Other income, net	$ 12.6	$ 3.5	$ 4.2
Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	160.6
Investment Foreign Currency, Contract, Foreign Currency Amount	494.9	405.9
Fair Value Hedges [Member] \| Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	402.0	281.9
Fair Value Hedges [Member] \| Interest Expense [Member] \| Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest expense	(0.1)	0.9	1.6
Fair Value Hedges [Member] \| Other Income [Member] \| Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	(2.9)	12.8	(3.5)
Other income, net	(2.9)	12.8	(3.5)
Fair Value Hedges [Member] \| Other Income [Member] \| Loans Payable [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Foreign Currency Transaction Gain (Loss), Realized	2.7	(14.1)	3.1
Other income, net	$ 2.7	$ (14.1)	$ 3.1

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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The amount of foreign currency that the entity has contractually agreed, or for which it has the option, to buy or sell with respect to the contract being described.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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-Section 13
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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

+ References

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-Publisher FASB
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Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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Amount of income (expense) related to nonoperating activities, classified as other.

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