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Severance and Other Charges (Credits), net (Tables)
12 Months Ended
Dec. 31, 2018
Restructuring and Related Activities [Abstract]  
Summary of Severance and Other Charges (Credits), net
Our severance and other charges (credits), net are summarized below (in thousands):
 
Year Ended December 31,
 
2018
 
2017
 
2016
Severance and other costs
$
4,552

 
$
2,697

 
$
16,525

Fixed asset retirements and abandonments

 
6,454

 
29,881

Inventory impairment

 
51,181

 

Accounts receivable write-off (recovery)
(4,862
)
 
15,022

 

 
$
(310
)
 
$
75,354

 
$
46,406