Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2013

Commitments And Contingencies Disclosure [Abstract]

Changes in Aggregate Carrying Amount of Asset Retirement Obligation Liability

The changes in the aggregate carrying amount of our ARO liability are as follows:

	ARO Liability
	(In thousands)
Balance at December 31, 2012	$	9,837
Accretion expense		251
Foreign currency translation		(63	)
Balance at June 30, 2013	$	10,025