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Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures
Supplemental cash flows and non-cash transactions were as follows for the periods indicated (in thousands):
 
Year Ended December 31,
 
2015
 
2014
 
2013
 
 
 
 
 
 
Cash paid for interest
$
180

 
$
559

 
$
1,542

Cash paid for income taxes
20,499

 
28,004

 
29,196

 
 
 
 
 
 
Non-cash transactions:
 
 
 
 
 
   Change in accounts payable related to capital expenditures
$
(3,534
)
 
$
(3,479
)
 
$
3,787

   Insurance premium financed by note payable
7,630

 
—

 
—

   Distribution of net assets to MHI
—

 
—

 
50,319