Number Of Years Of Service That Options Were Still Issued With Reload Provision To Officers

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Number Of Years Of Service When Options With Reload Provision No Longer Issued To Officers

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Performance Over A Period, Years

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Share-based Compensation Arrangement By Share-based Payment Shares Reserved

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Equity Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2010	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, weighted average grant date fair value (in dollars per share)		$ 10.09	$ 7.10	$ 9.94
Intrinsic value of stock options exercised		$ 18.3	$ 11.6	$ 18.8
Shares reserved for outstanding options and future grants (in shares)		9,683,708
Intrinsic value of shares outstanding		$ 99.6
Intrinsic value of shares exercisable		80.9
Equity instruments other than options vested in period		$ 39.6	30.0	$ 29.3
Reload grants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercisable term				4 years
Number of years of service when options with a reload provision were no longer issued to officers beginning in Fiscal 2006		5 years
Number of years of service that options were still issued with a reload provision to officers until Fiscal 2011		5 years
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense associated with stock options		$ 7.5	6.7	$ 9.5
Tax benefit recorded resulting from stock option compensation expense recognized		2.2	2.1	3.1
Total unrecognized compensation expense related to non-vested stock options		7.4
Stock options \| 2010 Master Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options exercisable term	10 years
Stock option, award vesting period	3 years
Performance shares \| 2010 Master Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance awards measurement period	3 years
Performance award expense		$ 0.9	$ 0.3	$ 0.1