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Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jul. 29, 2023
Jul. 30, 2022
Apr. 30, 2023
Segment Reporting Information [Line Items]      
Gross margin $ 65,660 $ 33,714  
Income (loss) from operations 26,367 (3,274)  
Total assets 826,060   $ 824,577
Product segments      
Segment Reporting Information [Line Items]      
Revenue 152,347 108,516  
Gross margin 65,660 33,714  
Income (loss) from operations 26,367 (3,274)  
Acquisition-related expenses 673 335  
Amortization of acquired intangible assets and other purchase accounting adjustments 3,166 6,847  
Adjusted income (loss) from operations 30,206 3,908  
Total assets 826,060   824,577
UMS | Product segments      
Segment Reporting Information [Line Items]      
Revenue 98,207 67,775  
Gross margin 48,369 21,504  
Income (loss) from operations 21,749 (3,698)  
Acquisition-related expenses 673 304  
Amortization of acquired intangible assets and other purchase accounting adjustments 2,601 6,231  
Adjusted income (loss) from operations 25,023 2,837  
Total assets 423,495   474,417
LMS | Product segments      
Segment Reporting Information [Line Items]      
Revenue 30,917 23,011  
Gross margin 12,323 7,746  
Income (loss) from operations 4,910 (1,031)  
Adjusted income (loss) from operations 4,910 (1,031)  
Total assets 114,768   103,375
MW | Product segments      
Segment Reporting Information [Line Items]      
Revenue 23,223 17,730  
Gross margin 4,968 4,464  
Income (loss) from operations (292) 1,455  
Acquisition-related expenses   31  
Amortization of acquired intangible assets and other purchase accounting adjustments 565 616  
Adjusted income (loss) from operations 273 $ 2,102  
Total assets 48,548   39,650
Corporate | Product segments      
Segment Reporting Information [Line Items]      
Total assets $ 239,249   $ 207,135