SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Difference Between Basic and Diluted Shares Outstanding (Detail) - shares	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2018
Accounting Policies [Abstract]
Weighted-average shares outstanding for basic earnings per share (in shares)	55,172,694	53,905,667	52,674,161
Unvested restricted stock units (in shares)	224,682	121,019	179,199
Weighted-average shares outstanding assuming dilution (in shares)	55,397,376	54,026,686	52,853,360