Fair Value Measurements (Fair Value Of Outstanding Derivatives In Consolidated Balance Sheets) (Details) - Level 2 - USD ($) $ in Millions	Jul. 31, 2018	Jul. 31, 2017
Assets, Prepaids and other current assets
Foreign exchange contracts	$ 0.7	$ 2.1
Liabilities, Other current liabilities
Foreign exchange contracts	(1.0)	(5.5)
Forward exchange contracts - net liability position	$ (0.3)	$ (3.4)

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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
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-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

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Balance Type:	credit
Period Type:	instant