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DESCRIPTION OF BUSINESS - Narrative (Details)
$ in Millions
6 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2022
USD ($)
patent
Jun. 30, 2022
USD ($)
Dec. 31, 2021
patent
Business Acquisition [Line Items]      
Number of new patent portfolios acquired | patent 0   1
Printronix      
Business Acquisition [Line Items]      
Purchase price   $ 37.0  
Business combination, initial cash payment   33.0  
Working capital adjustment   $ 4.0  
Maximum      
Business Acquisition [Line Items]      
Ideal market value for future acquisitions $ 2,000.0    
Minimum      
Business Acquisition [Line Items]      
Ideal market value for future acquisitions $ 1,000.0