Earnings (Loss) Per Share (Tables)

6 Months Ended

Jan. 31, 2019

Earnings (Loss) Per Share [Abstract]

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

	Three Months Ended January 31,				Six Months Ended January 31,
	2019		2018		2019		2018
	(in thousands)
Basic weighted-average number of shares		24,816		24,643		24,323		24,635
Effect of dilutive securities:
Stock options		—		10		—		—
Non-vested restricted Class B common stock		5		71		—		—
Diluted weighted-average number of shares		24,821		24,724		24,323		24,635

Summary of shares excluded from the diluted earnings per share

	Three Months Ended January 31,				Six Months Ended January 31,
	2019		2018		2019		2018
	(in thousands)
Stock options		1,243		1,160		1,243		1,273
Non-vested restricted Class B common stock		—		—		20		191
Shares excluded from the calculation of diluted earnings per share		1,243		1,160		1,263		1,464