REVENUE RECOGNITION - Disaggregated Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Disaggregation of Revenue [Line Items]
Net revenue	$ 125,413	$ 169,934
Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Net revenue	81,059	105,708
Supply chain management services
Disaggregation of Revenue [Line Items]
Net revenue	43,942	63,787
Other
Disaggregation of Revenue [Line Items]
Net revenue	412	439
Products
Disaggregation of Revenue [Line Items]
Net revenue	81,059	105,708
Products | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	81,059	105,708
Services
Disaggregation of Revenue [Line Items]
Net revenue	44,354	64,226
Services | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	44,354	64,226
Direct Marketing
Disaggregation of Revenue [Line Items]
Net revenue	81,059	105,708
Direct Marketing | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Net revenue	81,059	105,708
Direct Marketing | Supply chain management services
Disaggregation of Revenue [Line Items]
Net revenue	0	0
Direct Marketing | Other
Disaggregation of Revenue [Line Items]
Net revenue	0	0
Direct Marketing | Products | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	81,059	105,708
Direct Marketing | Services | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	0	0
Supply Chain
Disaggregation of Revenue [Line Items]
Net revenue	44,354	64,226
Supply Chain | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Net revenue	0	0
Supply Chain | Supply chain management services
Disaggregation of Revenue [Line Items]
Net revenue	43,942	63,787
Supply Chain | Other
Disaggregation of Revenue [Line Items]
Net revenue	412	439
Supply Chain | Products | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	0	0
Supply Chain | Services | Transferred over time
Disaggregation of Revenue [Line Items]
Net revenue	$ 44,354	$ 64,226