Earnings Per Common Share (Details) - shares	3 Months Ended		9 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Earnings Per Share [Abstract]
Weighted-average common shares outstanding for basic earnings per share (in shares)	54,906,356	55,366,241	55,278,320	55,323,080
Unvested restricted stock units (in shares)	162,427	357,137	228,703	292,027
Weighted-average common shares outstanding assuming dilution (in shares)	55,068,783	55,723,378	55,507,023	55,615,107
Antidilutive stock options, unvested restricted stock units outstanding (in shares)	211,348	86,946	159,077	81,557