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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2019
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment – net consist of the following (in millions):
December 31,
 20192018
Property$40.9  $39.6  
Plant168.1  161.3  
Equipment358.3  337.3  
Leasehold improvements55.8  49.1  
Construction in progress101.1  42.2  
Property, plant and equipment – gross724.2  629.5  
Less: Accumulated depreciation(334.8) (312.2) 
Property, plant and equipment – net$389.4  $317.3  

Depreciation expense for the years ended December 31, 2019, 2018 and 2017, was $39.6 million, $39.0 million and $47.0 million, respectively.