GOODWILL AND INTANGIBLE ASSETS - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2020	Jul. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 213,250	$ 213,250
Accumulated Amortization	77,987	50,732
Net Carrying Amount	$ 135,263	$ 162,518
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	15 years	15 years
Gross Carrying Amount	$ 192,730	$ 192,730
Accumulated Amortization	60,032	39,617
Net Carrying Amount	$ 132,698	$ 153,113
Trademarks and Trade Names
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period	3 years	3 years
Gross Carrying Amount	$ 20,520	$ 20,520
Accumulated Amortization	17,955	11,115
Net Carrying Amount	$ 2,565	$ 9,405