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Asset Retirement Obligation | 3 Months Ended
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Mar. 31, 2016
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligation |
10. | ASSET RETIREMENT OBLIGATION
During 2008, we recorded $11.5 million, net present value, of asset retirement obligations related to the legal requirement to close several lagoons at the Spring Grove, PA facility. Historically, lagoons were used to dispose of residual waste material. Closure of the lagoons is expected to be completed in 2016 and has primarily been accomplished by filling the lagoons, installing a non-permeable liner which will be covered with soil to construct the required cap over the lagoons. The retirement obligation was accrued with a corresponding increase in the carrying value of the property, equipment and timberlands caption on the condensed consolidated balance sheet. The amount capitalized is being amortized as a charge to operations on the straight-line basis in relation to the expected closure period. Following is a summary of activity recorded during the first three months of 2016 and 2015:
In thousands |  | 2016 |  |  | 2015 |
Balance at January 1, |  | $ | 419 |  |  | $ | 4,114 |
Accretion |  |  | — |  |  |  | 29 |
Payments |  |  | — |  |  |  | (419 | )
Gain |  |  | — |  |  |  | (107 | )
Balance at March 31, |  | $ | 419 |  |  | $ | 3,617 |
The amount set forth above as of March 31, 2016, is recorded in other current liabilities in the accompanying condensed consolidated balance sheet.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7569-110849 + Details
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