SEGMENT INFORMATION - Additional Information (Detail) $ in Thousands	12 Months Ended
	Jul. 31, 2020 USD ($) segment	Jul. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | segment	2
Total assets	$ 759,172	$ 731,563
Capital expenditures	12,070	14,539
Depreciation	23,075	22,058
Amortization of intangible assets	27,255	30,446
United States
Segment Reporting Information [Line Items]
Total assets	79,700	91,300
Operating Segments
Segment Reporting Information [Line Items]
Total assets	723,250	713,102
Operating Segments | Direct Marketing
Segment Reporting Information [Line Items]
Total assets	584,477	600,390
Capital expenditures	10,200	10,400
Depreciation	19,000	16,400
Amortization of intangible assets	27,255	30,446
Operating Segments | Supply Chain
Segment Reporting Information [Line Items]
Total assets	138,773	112,712
Capital expenditures	1,900	4,100
Depreciation	$ 4,100	$ 5,600