REVENUE RECOGNITION - Disaggregated Revenue (Detail) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2020	Oct. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 169,934	$ 225,153
Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Revenues	105,708	133,003
Supply chain management services
Disaggregation of Revenue [Line Items]
Revenues	63,787	91,705
Other
Disaggregation of Revenue [Line Items]
Revenues	439	445
Products
Disaggregation of Revenue [Line Items]
Revenues	105,708	133,003
Products | Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	105,708	133,003
Services
Disaggregation of Revenue [Line Items]
Revenues	64,226	92,150
Services | Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	64,226	92,150
Direct Marketing
Disaggregation of Revenue [Line Items]
Revenues	105,708	133,003
Direct Marketing | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Revenues	105,708	133,003
Direct Marketing | Supply chain management services
Disaggregation of Revenue [Line Items]
Revenues	0	0
Direct Marketing | Other
Disaggregation of Revenue [Line Items]
Revenues	0	0
Direct Marketing | Products | Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	105,708	133,003
Direct Marketing | Services | Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Supply Chain
Disaggregation of Revenue [Line Items]
Revenues	64,226	92,150
Supply Chain | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Revenues	0	0
Supply Chain | Supply chain management services
Disaggregation of Revenue [Line Items]
Revenues	63,787	91,705
Supply Chain | Other
Disaggregation of Revenue [Line Items]
Revenues	439	445
Supply Chain | Products | Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	0	0
Supply Chain | Services | Transferred over time
Disaggregation of Revenue [Line Items]
Revenues	$ 64,226	$ 92,150