Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 60,044	$ 42,208
Accounts receivable — net	91,106us-gaap_AccountsReceivableNetCurrent	94,549us-gaap_AccountsReceivableNetCurrent
Inventories — net	169,828us-gaap_InventoryNet	163,121us-gaap_InventoryNet
Prepaid and other current assets	27,701	24,838
Total current assets	348,679us-gaap_AssetsCurrent	324,716us-gaap_AssetsCurrent
Pension asset	848	33,615
Purchased intangible assets — net	17,771	19,325
Goodwill	164,112us-gaap_Goodwill	167,379us-gaap_Goodwill
Deferred income taxes	5,566	5,759
Other assets	13,976us-gaap_OtherAssetsNoncurrent	13,534us-gaap_OtherAssetsNoncurrent
Total other assets	202,273lby_AssetsExcludingPpeNoncurrent	239,612lby_AssetsExcludingPpeNoncurrent
Property, plant and equipment — net	277,978us-gaap_PropertyPlantAndEquipmentNet	265,662us-gaap_PropertyPlantAndEquipmentNet
Total assets	828,930us-gaap_Assets	829,990us-gaap_Assets
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable	82,485us-gaap_AccountsPayableCurrent	79,620us-gaap_AccountsPayableCurrent
Salaries and wages	29,035us-gaap_AccruedSalariesCurrent	32,403us-gaap_AccruedSalariesCurrent
Accrued liabilities	42,638lby_AccruedAndOtherLiabilitiesCurrent	41,418lby_AccruedAndOtherLiabilitiesCurrent
Accrued income taxes	2,010us-gaap_AccruedIncomeTaxesCurrent	1,374us-gaap_AccruedIncomeTaxesCurrent
Pension liability (current portion)	1,488	3,161
Non-pension postretirement benefits (current portion)	4,800	4,758
Derivative liability	2,653us-gaap_DerivativeLiabilitiesCurrent	0us-gaap_DerivativeLiabilitiesCurrent
Deferred income taxes	3,633us-gaap_DeferredTaxLiabilitiesCurrent	0us-gaap_DeferredTaxLiabilitiesCurrent
Long-term debt due within one year	7,658us-gaap_LongTermDebtCurrent	5,391us-gaap_LongTermDebtCurrent
Total current liabilities	176,400us-gaap_LiabilitiesCurrent	168,125us-gaap_LiabilitiesCurrent
Long-term debt	436,264us-gaap_LongTermDebtNoncurrent	406,512us-gaap_LongTermDebtNoncurrent
Pension liability	56,462	40,033
Non-pension postretirement benefits	63,301	59,065
Deferred income taxes	5,893	11,672
Other long-term liabilities	13,156us-gaap_OtherLiabilitiesNoncurrent	13,774us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	751,476us-gaap_Liabilities	699,181us-gaap_Liabilities
Shareholders’ equity:
Common stock, par value $.01 per share, 50,000,000 shares authorized, 21,843,851 shares issued in 2014 (21,316,480 shares issued in 2013)	218us-gaap_CommonStockValue	213us-gaap_CommonStockValue
Capital in excess of par value	331,391	323,367
Treasury stock	(1,060)us-gaap_TreasuryStockValue	0us-gaap_TreasuryStockValue
Retained deficit	(114,648)	(119,611)
Accumulated other comprehensive loss	(138,447)	(73,160)
Total shareholders’ equity	77,454us-gaap_StockholdersEquity	130,809us-gaap_StockholdersEquity
Total liabilities and shareholders’ equity	$ 828,930	$ 829,990

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Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.

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Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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Amount of long-term debt, after unamortized discount or premium, scheduled to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer).

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This represents the noncurrent liability recognized in the balance sheet that is associated with other postretirement defined benefit plans (excluding pension plans).

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For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable within one year of the balance sheet date.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.

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