Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Additional Information (Details)

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SEGMENT REPORTING AND GEOGRAPHIC INFORMATION - Additional Information (Details) - segment
3 Months Ended 9 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Segment Reporting and Geographic Information        
Number of reportable segments     3  
Customer Concentration Risk | Revenue from Contract with Customer Benchmark | Largest Customer        
Segment Reporting and Geographic Information        
Concentration risk, percentage 14.00% 18.00% 12.00% 20.00%
Customer Concentration Risk | Revenue from Contract with Customer Benchmark | Second Largest Customer        
Segment Reporting and Geographic Information        
Concentration risk, percentage   16.00%   15.00%
Customer Concentration Risk | Accounts Receivable, Net Benchmark | One and Two Customers        
Segment Reporting and Geographic Information        
Concentration risk, percentage     10.00%  
Semiconductor Process Control        
Segment Reporting and Geographic Information        
Number of operating segments     2  
Specialty Semiconductor Process        
Segment Reporting and Geographic Information        
Number of operating segments     1  
PCB, Display and Component Inspection        
Segment Reporting and Geographic Information        
Number of operating segments     2