REVENUE RECOGNITION - Disaggregated Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2022	Jan. 31, 2021
Disaggregation of Revenue [Line Items]
Net revenue	$ 120,638	$ 156,047	$ 246,051	$ 325,981
Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Net revenue	66,316	91,155	147,375	196,863
Supply chain management services
Disaggregation of Revenue [Line Items]
Net revenue	53,719	64,342	97,661	128,129
Other
Disaggregation of Revenue [Line Items]
Net revenue	603	550	1,015	989
Products
Disaggregation of Revenue [Line Items]
Net revenue	66,316	91,155	147,375	196,863
Products | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	66,316	91,155	147,375	196,863
Services
Disaggregation of Revenue [Line Items]
Net revenue	54,322	64,892	98,676	129,118
Services | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	54,322	64,892	98,676	129,118
Direct Marketing
Disaggregation of Revenue [Line Items]
Net revenue	66,316	91,155	147,375	196,863
Direct Marketing | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Net revenue	66,316	91,155	147,375	196,863
Direct Marketing | Supply chain management services
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Direct Marketing | Other
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Direct Marketing | Products | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	66,316	91,155	147,375	196,863
Direct Marketing | Services | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Supply Chain
Disaggregation of Revenue [Line Items]
Net revenue	54,322	64,892	98,676	129,118
Supply Chain | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Supply Chain | Supply chain management services
Disaggregation of Revenue [Line Items]
Net revenue	53,719	64,342	97,661	128,129
Supply Chain | Other
Disaggregation of Revenue [Line Items]
Net revenue	603	550	1,015	989
Supply Chain | Products | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	0	0	0	0
Supply Chain | Services | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	$ 54,322	$ 64,892	$ 98,676	$ 129,118