Asset Retirement Obligation (Tables)

9 Months Ended

Sep. 30, 2015

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Asset Retirement Obligation

Following is a summary of activity recorded during the first nine months of 2015 and 2014:

In thousands	2015			2014
Balance at January 1,	$	4,114		$	5,032
Accretion		59			115
Payments		(2,384	)		(767	)
Downward revision		(1,000	)		—
Gain		(359	)		(128	)
Balance at September 30,	$	430		$	4,252

Schedule of Consolidated Balance Sheets where Asset Retirement Obligations are Recorded

The following table summarizes the line items in the accompanying condensed consolidated balance sheets where the asset retirement obligations are recorded:

	September 30		December 31
In thousands	2015		2014
Other current liabilities	$	430	$	2,855
Other long-term liabilities		—		1,259
Total	$	430	$	4,114