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Earnings Per Share (Tables)

9 Months Ended

Apr. 30, 2018

Earnings Per Share [Abstract]

Summary of weighted-average number of shares calculation of basic diluted earnings per share

		Three Months Ended April 30,								Nine Months Ended April 30,
		2018				2017				2018				2017
		(in thousands)
Basic weighted-average number of shares			9,867				9,595				9,757				9,423
Effect of dilutive securities:
Stock options			—				—				—				—
Non-vested restricted Class B common stock			—				—				—				—
Diluted weighted-average number of shares			9,867				9,595				9,757				9,423

Shares excluded from the dilutive earnings per share computations

		Three Months Ended April 30,								Nine Months Ended April 30,
		2018				2017				2018				2017
		(in thousands)
Stock options			1,366				1,431				1,366				1,431
Non-vested restricted Class B common stock			346				53				346				53
Shares excluded from the calculation of diluted earnings per share			1,712				1,484				1,712				1,484

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- References

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of the effect of income (loss) on an entity's diluted earnings per share.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
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-Section 45
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