Earnings (Loss) Per Share (Tables)

6 Months Ended

Jan. 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 January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
	(in thousands)
Basic weighted-average number of shares		26,320		24,816		26,300		24,323
Effect of dilutive securities:
Stock options		—		—		—		—
Non-vested restricted Class B common stock		131		—		—		—
Diluted weighted-average number of shares		26,451		24,816		26,300		24,323

Schedule of shares excluded from the diluted earnings per share

	Three Months Ended January 31,				Six Months Ended January 31,
	2020		2019		2020		2019
	(in thousands)
Stock options		1,190		1,243		1,190		1,243
Non-vested restricted Class B common stock		—		20		520		20
Shares excluded from the calculation of diluted earnings per share		1,190		1,263		1,710		1,263