Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Asset Retirement Obligation Disclosure [Abstract]

Change in Asset Retirement Obligations

The following table shows a rollforward of the AROs from January 1,2013 toDecember 31,2014. Amounts include conditional AROs.

(In thousands)		2014		2013
Balance at January 1,	$	19,359	$	18,768
Liabilities incurred		68		296
Accretion expense		1,077		1,015
Liabilities settled		(343)		(744)
Revisions in estimated cash flows		(417)		24
Balance at December 31,	$	19,744	$	19,359