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CONTINGENT LIABILITIES AND COMMITMENTS (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Changes in warranty accrual    
Balance, December 31, 2020 $ 10.5  
Provision for warranty claims 0.8  
Warranty claims settled (1.0)  
Balance, March 31, 2021 10.3  
Warranty expense $ 0.8 $ 2.0