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Property, Plant and Equipment, Net (Tables)
6 Months Ended
Jun. 30, 2021
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment, Net
(in millions)June 30,
2021
December 31,
2020
Leasehold improvements$36.5 $35.7 
Equipment109.6 117.9 
Property, plant and equipment, gross146.1 153.6 
Less accumulated depreciation(102.9)(112.9)
Property, plant and equipment, net$43.2 $40.7 

Three months ended
June 30,
Six months ended
June 30,
(in millions)2021202020212020
Depreciation expense$3.4 $2.5 $6.3 $5.1