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DESCRIPTION OF BUSINESS - Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2023
USD ($)
patent
Sep. 30, 2022
USD ($)
Business Acquisition [Line Items]    
Number of new patent portfolios acquired | patent 0  
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