XML 41 R29.htm IDEA: XBRL DOCUMENT v3.7.0.1
Supplemental Schedule of Cash Flow Information (Tables)
 6 Months Ended
Jun. 30, 2017
Supplemental Cash Flow Elements [Abstract]  
Non-Cash Financing and Investing Activity
The following table reflects non-cash financing and investing activity during the following periods:
 
 
Six Months Ended June 30,
 
 
2017
 
2016
 
 
(In thousands)
Capital leases and notes issued for equipment
 
$
49,214

 
$
2,201

Asset retirement obligation additions (retirements)
 
—

 
(21
)
Change in accrued property and equipment
 
6,193

 
—