Quarterly report pursuant to Section 13 or 15(d)

GOODWILL AND PURCHASED INTANGIBLE ASSETS - Additional Information (Details)

v3.20.2
GOODWILL AND PURCHASED INTANGIBLE ASSETS - Additional Information (Details)
$ in Millions
3 Months Ended
Sep. 30, 2020
segment
reporting_unit
Mar. 31, 2020
USD ($)
Goodwill [Line Items]    
Number of reportable segments | segment 4  
Number of reporting units | reporting_unit 6  
Specialty Semiconductor Process    
Goodwill [Line Items]    
Goodwill impairment   $ 144.2
PCB and Display    
Goodwill [Line Items]    
Goodwill impairment   $ 112.5