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Unusual Items
 9 Months Ended
Sep. 30, 2020
Unusual or Infrequent Items, or Both [Abstract]  
Unusual Items Unusual Items
The following table presents total unusual items, comprised of a component of other expense, net in the unaudited condensed consolidated statements of operations:
Three months ended September 30,Nine months ended September 30,
 2020201920202019
 (In millions)
Unusual items
Legal related matter$— $— $1.8 $— 
Acquisition costs— — — 0.3 
$— $— $1.8 $0.3 
In the three months ended June 30, 2020, the Company recorded a reserve of $1.8 million for a legal related matter.
On March 29, 2019, the Company acquired certain assets of 3D Material Technologies resulting in $0.3 million of acquisition related costs.