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Earnings (Loss) Per Share (Tables)

6 Months Ended

Jan. 31, 2018

(Loss) Earnings Per Share [Abstract]

Summary of weighted-average number of shares used in the calculation of basic and diluted (loss) earnings per share

		Three Months Ended January 31,								Six Months Ended January 31,
		2018				2017				2018				2017
		(in thousands)
Basic weighted-average number of shares			24,643				22,768				24,635				22,740
Effect of dilutive securities:
Stock options			10				77				—				58
Non-vested restricted Class B common stock			71				118				—				133
Diluted weighted-average number of shares			24,724				22,963				24,635				22,931

Summary of shares excluded from the diluted earnings per share

		Three Months Ended January 31,								Six Months Ended January 31,
		2018				2017				2018				2017
		(in thousands)
Stock options			1,160				3				1,273				18
Non-vested restricted Class B common stock			—				—				191				—
Shares excluded from the calculation of diluted earnings per share			1,160				3				1,464				18

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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)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1252-109256

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1311-109256

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-Section 45
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-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1278-109256

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-03.21)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=96948231&loc=d3e4984-109258

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