CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 3,657	$ 2,675
Receivables, net	25,480us-gaap_ReceivablesNetCurrent	23,198us-gaap_ReceivablesNetCurrent
Refundable income taxes	1,215us-gaap_IncomeTaxesReceivable	1,487us-gaap_IncomeTaxesReceivable
Inventories	32,463us-gaap_InventoryNet	31,824us-gaap_InventoryNet
Spare parts	11,563	11,729
Other current assets	1,783us-gaap_OtherAssetsCurrent	1,576us-gaap_OtherAssetsCurrent
Assets of discontinued operations-current	1,006	1,050
Total current assets	77,167us-gaap_AssetsCurrent	73,539us-gaap_AssetsCurrent
Property, plant, and equipment, net	284,759us-gaap_PropertyPlantAndEquipmentNet	289,840us-gaap_PropertyPlantAndEquipmentNet
Deferred income taxes	43,320	43,386
Other assets	56,063us-gaap_OtherAssetsNoncurrent	57,097us-gaap_OtherAssetsNoncurrent
Total Assets	461,309us-gaap_Assets	463,862us-gaap_Assets
Current liabilities:
Accounts payable	22,284us-gaap_AccountsPayableCurrent	22,740us-gaap_AccountsPayableCurrent
Deferred income taxes	12,327us-gaap_DeferredTaxLiabilitiesCurrent	11,844us-gaap_DeferredTaxLiabilitiesCurrent
Accrued and other liabilities	29,852us-gaap_AccruedLiabilitiesCurrent	35,556us-gaap_AccruedLiabilitiesCurrent
Liabilities of discontinued operations - current	2,669	2,791
Total current liabilities	67,132us-gaap_LiabilitiesCurrent	72,931us-gaap_LiabilitiesCurrent
Long-term debt	179,076us-gaap_LongTermDebtNoncurrent	170,868us-gaap_LongTermDebtNoncurrent
Post-retirement benefits	21,388	21,647
Pension	52,032	55,075
Other noncurrent liabilities	13,268us-gaap_OtherLiabilitiesNoncurrent	15,829us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	332,896us-gaap_Liabilities	336,350us-gaap_Liabilities
Stockholders' equity	128,413us-gaap_StockholdersEquity	127,512us-gaap_StockholdersEquity
Total Liabilities and Stockholders' Equity	$ 461,309	$ 463,862

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682