GOODWILL AND INTANGIBLE ASSETS - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	Jul. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 257,128	$ 257,128
Gross Carrying Amount	213,250	213,250
Accumulated Amortization	84,522	77,987
Net Carrying Amount	$ 128,728	135,263
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	15 years
Gross Carrying Amount	$ 192,730	192,730
Accumulated Amortization	64,857	60,032
Net Carrying Amount	$ 127,873	132,698
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	3 years
Gross Carrying Amount	$ 20,520	20,520
Accumulated Amortization	19,665	17,955
Net Carrying Amount	855	$ 2,565
Direct Marketing
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 257,100