GOODWILL AND INTANGIBLE ASSETS - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jan. 31, 2022	Jul. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 231,470	$ 231,470
Gross Carrying Amount	213,250	213,250
Accumulated Amortization	106,330	98,245
Net Carrying Amount	$ 106,920	115,005
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	15 years
Gross Carrying Amount	$ 192,730	192,730
Accumulated Amortization	85,810	77,725
Net Carrying Amount	$ 106,920	115,005
Trademarks and tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	3 years
Gross Carrying Amount	$ 20,520	20,520
Accumulated Amortization	20,520	20,520
Net Carrying Amount	0	0
Direct Marketing
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 231,500	$ 231,500