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PROPERTY, PLANT AND EQUIPMENT
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENTProperty, plant and equipment – net consist of the following (in millions):
 September 30,
2021
December 31,
2020
Property$53.0 $43.6 
Plant281.0 250.1 
Equipment396.7 390.2 
Leasehold improvements49.6 49.9 
Construction in progress10.7 31.1 
Property, plant and equipment – gross 791.0 764.9 
Less: Accumulated depreciation(378.4)(358.3)
Property, plant and equipment – net$412.6 $406.6