Financial Instruments - Fair Value of Derivative Instruments on Balance Sheet (Detail) - USD ($) $ in Millions	Aug. 31, 2017	Nov. 30, 2016	Aug. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total derivative assets, Fair Value	$ 5.8	$ 4.9	$ 8.9
Total derivative liabilities, Fair Value	9.1	6.6	2.3
Interest rate contracts \| Other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate contracts, Fair Value	0.3	0.0	5.5
Derivative Asset, Notional Amount	100.0	0.0	100.0
Interest rate contracts \| Other accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest rate contracts, Fair Value	0.0	1.2	0.0
Derivative Asset, Notional Amount	0.0	100.0	0.0
Foreign exchange contracts \| Other current assets
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset, Notional Amount	116.1	204.3	153.8
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net	5.5	4.9	3.4
Foreign exchange contracts \| Other accrued liabilities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net	9.1	5.4	2.3
Notes subject to interest rate hedge	$ 358.9	$ 244.9	$ 236.4

Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Notional Amount
-URI http://asc.fasb.org/extlink&oid=6519104

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Fair value as of the balance sheet date of all derivatives designated as foreign currency fair value hedging instruments.

+ References

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet.

+ References

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