Asset Retirement Obligation (Tables)

12 Months Ended

Dec. 31, 2014

Schedule of Change in Asset Retirement Obligation

	(In thousands)	Years Ended December 31,
		2014		2013
Beginning balance		$	59,380	$	56,849
	Adjustment due to changes in estimates		(5,391)		806
	Accretion of liability		7,858		5,106
	Liabilities settled		(5,802)		(3,323)
	Foreign Currency		(1,834)		(58)
Ending balance		$	54,211	$	59,380