Stock Repurchase Program, Additional Number of Shares Authorized to be Repurchased

No definition available.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- 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.

+ Details

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Period Type:	duration

- Definition

The cash outflow to reacquire common stock during the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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Period Type:	instant

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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- Definition

The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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Stock Repurchase Plan (Details) - USD ($) $ in Thousands	12 Months Ended
Stock Repurchase Plan (Details) - USD ($) $ in Thousands	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016	Dec. 04, 2015	Jul. 16, 2008	Mar. 09, 2006
Accelerated Share Repurchases [Line Items]
Treasury Stock, Shares, Acquired	115,422	1,317	485,866
Repurchases of Common Stock	$ 25,800	$ 210	$ 53,787
Number of shares authorized to repurchase	7,500,000					3,000,000
Additional number of shares authorized to repurchase				1,500,000	3,000,000
Number of shares repurchased since inception	5,552,000	5,436,000
Value of stock repurchased since inception	$ 272,989	$ 247,189
Remaining shares available for repurchase under existing program	1,948,284