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Other Operating Expenses, Net (Tables)
 3 Months Ended
Mar. 31, 2021
Other Income and Expenses [Abstract]  
Other Operating Expenses, Net
Other operating expenses, net consist of the following for the periods presented:

Three Months Ended March 31,
20212020
Special charges, net$255 $16 
(Gain) loss on disposal of assets, net47 (9)
$302 $7