The amount of income tax deductions generated in the current period related to share-based compensation recorded in prior periods in income tax expense over the equity awards’ vesting period.

No definition available.

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- Definition

The reduction during the period in income taxes payable due to the satisfaction of certain criteria when share-based awards are exercised or vested.

+ References

No definition available.

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- Definition

Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 740
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65880886&loc=d3e23524-113945

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- References

No definition available.

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Stock-Based Compensation - Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
Stock-Based Compensation - Taxes (Details) - USD ($)	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Stock-based awards, additional disclosure
Deduction in income tax due to exercise of options and vesting of restricted stock (in dollars)			$ 5,520,000	$ 3,297,000
Income tax deductions previously recorded in income tax expense over the equity awards’ vesting period			3,329,000	1,711,000
Increase in additional paid-in capital due to excess tax benefit on stock-based compensation expense				1,586,000
Reduction of income tax expense		$ 797,000		$ 2,071,000
New Accounting Pronouncement, Early Adoption, Effect \| ASU 2016-09 Share-Based Payment Accounting
Stock-based awards, additional disclosure
Reduction of income tax expense	$ (95,000)		$ 2,191,000