Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

(14) Supplemental Cash Flow Information

	Year Ended December 31,
	2017			2016			2015
	(in thousands)
Net cash provided from operating activities included:
Income taxes (refunded from) paid to taxing authorities	$	(1,024	)	$	(102	)	$	100
Interest paid		179,431			159,875			168,826
Non-cash investing and financing activities included (a):
Asset retirement costs capitalized, net	$	20,245		$	(24,064	)	$	22,184
Increase (decrease) in accrued capital expenditures		71,739			61,419			(225,455	)

^(a) For additional information on non-cash investing activities associated with the MRD Merger, see Note 3.