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GOODWILL AND INTANGIBLE ASSETS (Net intangible assets) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2022
Oct. 01, 2022
Schedule Of Intangible Assets [Line Items]    
Net intangible assets $ 33,281 $ 31,939
Developed technology    
Schedule Of Intangible Assets [Line Items]    
Gross intangible assets 94,149 89,017
Accumulated amortization (62,335) (58,636)
Net intangible assets $ 31,814 30,381
Developed technology | Minimum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 6 years  
Developed technology | Maximum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 15 years  
Customer relationships    
Schedule Of Intangible Assets [Line Items]    
Gross intangible assets $ 34,822 33,515
Accumulated amortization (34,822) (33,515)
Net intangible assets $ 0 0
Customer relationships | Minimum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 5 years  
Customer relationships | Maximum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 6 years  
Trade and brand name    
Schedule Of Intangible Assets [Line Items]    
Gross intangible assets $ 7,161 6,945
Accumulated amortization (7,161) (6,945)
Net intangible assets $ 0 0
Trade and brand name | Minimum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 7 years  
Trade and brand name | Maximum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 8 years  
Other intangible assets    
Schedule Of Intangible Assets [Line Items]    
Gross intangible assets $ 4,700 4,700
Accumulated amortization (3,233) (3,142)
Net intangible assets $ 1,467 $ 1,558
Other intangible assets | Minimum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 1 year 10 months 24 days  
Other intangible assets | Maximum    
Schedule Of Intangible Assets [Line Items]    
Estimated useful life 6 years