Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2014

Supplemental Cash Flow Information

	Three Months Ended March 31,
	2014		2013
	(in thousands)
Net cash provided from operating activities included:
Income taxes (refunded) paid to taxing authorities	$	39	$	(162	)
Interest paid		55,190		37,541
Non-cash investing and financing activities included:
Asset retirement costs capitalized, net		3,218		1,690
Increase in accrued capital expenditures		6,808		128,136