XML 26 R13.htm IDEA: XBRL DOCUMENT v3.3.1.900
Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information
 
 
Years Ending December 31,
 
2015
 
2014
 
2013
Supplemental disclosures:
(in thousands)
Interest paid
$
—

 
$
—

 
$
1

Income taxes paid, net
24,125

 
26,456

 
19,884

Non-cash investing and financing activities:
 
 
 
 
 
Non-cash capital expenditures
83

 
(79
)
 
71

Trade-in of equipment
—

 
—

 
315