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COMMITMENTS AND CONTINGENCIES 5 (Details) - Bendix Asbestos Loss Contingency Liability [Member] - claim
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Loss Contingency Claims [Abstract]      
Claims unresolved at the beginning of period 6,242 6,480 6,209
Claims filed 1,883 2,233 2,659
Claims resolved (1,465) (2,471) (2,388)
Claims unresolved at the end of period 6,660 6,242 6,480