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RESTRUCTURING AND IMPAIRMENT CHARGES (Summary Of Restructuring-Related Costs) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Restructuring and Related Activities [Abstract]    
Severance and other restructuring costs $ 1.2 $ 0.1
Inventory obsolescence and other 2.4 0.1
Total restructuring and restructuring-related costs 3.6 0.2
Amount of total that represents cash charges $ 1.2 $ 0.1