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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Information [Abstract]  
Cash Flow, Supplemental Disclosure
Note 12. Supplemental Cash Flow Information

Supplemental Cash Flow Information
 
 
Year Ended December 31,
In thousands
 
2015
 
2014
 
2013
Supplemental cash flow information
 
 
 
 
 
 
Cash paid for interest, expensed
 
$
146,560

 
$
185,140

 
$
117,442

Cash paid for interest, capitalized
 
32,146

 
24,202

 
79,253

Cash paid for income taxes
 
6,340

 
5,033

 
28,895

Cash received from income tax refunds
 
(50,163
)
 
(13,193
)
 
(17,087
)
Noncash investing and financing activities
 
 
 
 

 
 

Increase in asset retirement obligations
 
14,866

 
6,500

 
26,946

Increase (decrease) in liabilities for capital expenditures
 
(97,278
)
 
215

 
(18,321
)
Decrease in restricted cash (1)
 
—

 
—

 
1,050,328

Retirement of treasury stock
 
884,129

 
—

 
—


(1)
During 2013, proceeds from the sales of our oil and natural gas property dispositions in 2012, which were held by a qualified intermediary, were released primarily to fund a portion of the CCA acquisition.