Earnings (Loss) Per Share (Tables)

3 Months Ended

Oct. 31, 2020

Earnings 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 October 31,
	2020		2019
	(in thousands)
Basic weighted-average number of shares		25,534		26,279
Effect of dilutive securities:
Stock options		—		—
Non-vested restricted Class B common stock		327		—
Diluted weighted-average number of shares		25,861		26,279

Schedule of shares excluded from the diluted earnings (loss) per share

	Three Months Ended October 31,
	2020		2019
	(in thousands)
Stock options		1,104		1,190
Non-vested restricted Class B common stock		—		616
Shares excluded from the calculation of diluted earnings per share		1,104		1,806