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Supplemental Cash Flow Information (Tables)
12 Months Ended
Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information

 

 

Year Ended December 31,

 

 

2014

 

  

2013

 

  

2012

 

 

(in thousands)

 

Net cash provided from operating activities included:

 

 

 

  

 

 

 

  

 

 

 

Income taxes (refunded from) paid to taxing authorities

$

(156

)

  

$

(347

)  

  

$

386

  

Interest paid

 

165,530

 

  

 

159,137

 

  

 

153,249

  

Non-cash investing and financing activities included:

 

 

 

  

 

 

 

  

 

 

 

Asset retirement costs capitalized, net

 $

56,822

 

  

 $

76,373

 

  

 $

57,982

  

Increase (decrease) in accrued capital expenditures

 

150,604

 

  

 

27,079

 

  

 

(94,121