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PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Dec. 31, 2022
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,
 20222021
Property$40.2 $53.1 
Plant246.8 284.4 
Equipment418.9 402.4 
Leasehold improvements49.9 50.0 
Construction in progress92.9 26.9 
Property, plant and equipment – gross848.7 816.8 
Less: Accumulated depreciation(383.1)(387.2)
Property, plant and equipment – net$465.6 $429.6 

Depreciation expense was $42.4 million, $44.3 million and $42.3 million for the years ended December 31, 2022, 2021 and 2020, respectively.