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Supplemental Financial Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Supplemental Income Statement Elements [Abstract]    
Gain from antitrust litigation settlement $ 0 $ (3,591)
Loss on sale of property, plant and equipment 273 0
Lease income (547) 0
Depreciation on leased assets 1,185 0
Other operating (income) expense, net $ 911 $ (3,591)