Other Long-Term Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Other Long-Term Liabilities [Abstract]

Schedule Of Other Liabilities

	December 31,
	2014		2013
Asset retirement obligations	$	65,935	$	121,534
Long-term derivative liabilities		—		9,245
Other		142		591
Total Other Liabilities	$	66,077	$	131,370

Schedule Of Asset Retirement Obligations

	Year Ended
	December 31,
	2014		2013
Carrying amount of asset retirement obligations, as of beginning of period	$	170,429	$	176,076
Decrease due to revised estimates		(31,362)		(10,304)
Accretion expense (included in DD&A expense)		25,890		23,793
Impact of foreign currency exchange rate changes		(9,057)		3,205
Payment of asset retirement obligations		(49,418)		(27,690)
Liabilities incurred and assumed		—		5,349
Carrying amount of asset retirement obligations, as of end of year		106,482		170,429
Less: current portion of asset retirement obligations		(40,547)		(48,895)
Long-term asset retirement obligations	$	65,935	$	121,534