Employee Benefit Plans (Unfunded Commitments And Redemption Restrictions) (Details) - U.S. Plan - Pension Plan - USD ($) $ in Millions	12 Months Ended
Jul. 31, 2019	Jul. 31, 2018
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Measured Using NAV Per Share as Practical Expedient	$ 72.3	$ 90.0
Unfunded Commitments	6.1
Global equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Measured Using NAV Per Share as Practical Expedient	35.8	31.0
Unfunded Commitments	1.8
Private equity and other funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Measured Using NAV Per Share as Practical Expedient	33.1	53.7
Unfunded Commitments	0.0
Real asset funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Measured Using NAV Per Share as Practical Expedient	3.4	$ 5.3
Unfunded Commitments	$ 4.3
Minimum \| Global equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Redemption Notice Period	10 days
Minimum \| Private equity and other funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Redemption Notice Period	60 days
Maximum \| Global equity securities
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Redemption Notice Period	90 days
Maximum \| Private equity and other funds
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Redemption Notice Period	90 days

Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets

No definition available.

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- Definition

Notice period the entity is required to deliver before it can redeem an investment calculated using net asset value per share, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, investments calculated by per unit, per membership interest, other equity or ownership interest and alternative investments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 6A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=SL6742756-110258

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- Definition

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.

+ References

No definition available.

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- Definition

The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 6A
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=SL6742756-110258

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