Asset Retirement Obligations

3 Months Ended

Sep. 30, 2015

Asset Retirement Obligations [Abstract]

Asset Retirement Obligations

(4) Asset Retirement Obligations

The following table reconciles the changes to our asset retirement obligations.

	Three Months Ended September 30,
	2015
	(in thousands)
Beginning of period total	$	240,362
Accretion expense		6,741
Liabilities incurred		1,605
Liabilities settled		(36,865)
End of period total		211,843
Less: End of period, current portion		(15,839)
End of period, noncurrent portion	$	196,004