Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2014

Supplemental Cash Flow Information

	Six Months Ended June 30,
	2014		2013
	(in thousands)
Net cash provided from operating activities included:
Income taxes paid to (refunded from) taxing authorities	$	39	$	(119	)
Interest paid		89,381		74,940
Non-cash investing and financing activities included:
Increase (decrease) in asset retirement costs capitalized		5,516		(2,385	)
Increase in accrued capital expenditures		15,211		74,428