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Severance and Other Charges (Tables)
 12 Months Ended
Dec. 31, 2016
Restructuring and Related Activities [Abstract]  
Restructuring and Related Cost
Below is a reconciliation of the beginning and ending liability balance (in thousands):
 
International Services
 
U.S. Services
 
Tubular Sales
 
Total
Beginning balance, December 31, 2015
$
78

 
$
22,166

 
$
—

 
$
22,244

Additions for costs expensed
12,187

 
33,661

 
558

 
46,406

Other adjustments
—

 
(687
)
 
(32
)
 
(719
)
Severance and other payments
(7,519
)
 
(23,855
)
 
(526
)
 
(31,900
)
Asset retirement
(282
)
 
(29,599
)
 
—

 
(29,881
)
Ending balance, December 31, 2016
$
4,464

 
$
1,686

 
$
—

 
$
6,150