REVENUE RECOGNITION - Disaggregated Revenue (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 613,766	$ 782,813
Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	387,510	444,360
Supply chain management services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	224,280	336,491
Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,976	1,962
Products transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	387,510	444,360
Products transferred over time | Transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	387,510	444,360
Services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	226,256	338,453
Services transferred over time | Transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	226,256	338,453
Direct Marketing
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	387,510	444,360
Direct Marketing | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	387,510	444,360
Direct Marketing | Supply chain management services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Direct Marketing | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Direct Marketing | Products transferred over time | Transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	387,510	444,360
Direct Marketing | Services transferred over time | Transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Supply Chain
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	226,256	338,453
Supply Chain | Marketing solutions offerings
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Supply Chain | Supply chain management services
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	224,280	336,491
Supply Chain | Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,976	1,962
Supply Chain | Products transferred over time | Transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	0	0
Supply Chain | Services transferred over time | Transferred over time
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 226,256	$ 338,453