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GOODWILL AND INTANGIBLE ASSETS (Recorded Goodwill) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Goodwill [Line Items]    
Goodwill beginning balance $ 68,096  
Acquired in business combination 27,975  
Impairment charges (9,794)  
Other 2,396  
Goodwill ending balance 88,673  
Goodwill, cumulative impairment   $ 35,200
Wedge Bonding Equipment    
Goodwill [Line Items]    
Goodwill beginning balance 18,280  
Acquired in business combination 0  
Impairment charges 0  
Other 0  
Goodwill ending balance 18,280  
APS    
Goodwill [Line Items]    
Goodwill beginning balance 25,907  
Acquired in business combination 0  
Impairment charges 0  
Other 202  
Goodwill ending balance 26,109  
All Others    
Goodwill [Line Items]    
Goodwill beginning balance 23,909  
Acquired in business combination 27,975  
Impairment charges (9,794)  
Other 2,194  
Goodwill ending balance $ 44,284