Decommissioning and Other Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2011

Decommissioning and Other Asset Retirement Obligations (Tables)

Decommissioning and Other Asset Retirement Obligations Table

	Year Ended December 31,
	2011			2010
	(In Thousands)
Beginning balance for the period, as reported	$	272,815		$	224,110
Activity in the period:
Accretion of liability		4,325			5,539
Retirement obligations incurred		-			22
Revisions in estimated cash flows		79,360			131,889
Settlement of retirement obligations		(216,665	)		(88,745	)
Ending balance	$	139,835		$	272,815