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EQUITY, LONG-TERM INCENTIVE COMPENSATION PLANS AND NON-CONTROLLING INTEREST - Non-controlling Interest (Details)
Dec. 31, 2021
Orbograph  
Noncontrolling Interest [Line Items]  
Non-controlling interest, ownership 94.00%
OLTS  
Noncontrolling Interest [Line Items]  
Non-controlling interest, ownership 97.00%