Segment Reporting (Schedule Of Financial Information Concerning Reportable Segments) (Details) (USD $)
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3 Months Ended | 12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Segment Reporting Information [Line Items] | ||||
Net sales | $ 1,085,304,000us-gaap_SalesRevenueNet | $ 1,166,674,000us-gaap_SalesRevenueNet | $ 1,248,264,000us-gaap_SalesRevenueNet | |
Total segment operating income (loss) | (255,620,000)us-gaap_OperatingIncomeLoss | (2,570,000)us-gaap_OperatingIncomeLoss | 156,468,000us-gaap_OperatingIncomeLoss | |
Equity in earnings of and gain recorded on acquisition of non-consolidated affiliate | 0us-gaap_IncomeLossFromEquityMethodInvestments | 0us-gaap_IncomeLossFromEquityMethodInvestments | 0us-gaap_IncomeLossFromEquityMethodInvestments | |
Other (income) expense, net | 2,445,000us-gaap_OtherNonoperatingIncomeExpense | 1,698,000us-gaap_OtherNonoperatingIncomeExpense | (1,005,000)us-gaap_OtherNonoperatingIncomeExpense | |
Interest expense | 37,057,000us-gaap_InterestExpense | 36,037,000us-gaap_InterestExpense | 23,247,000us-gaap_InterestExpense | |
Interest income | (330,000)us-gaap_InvestmentIncomeInterest | (203,000)us-gaap_InvestmentIncomeInterest | (261,000)us-gaap_InvestmentIncomeInterest | |
Income before income taxes | (294,792,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | (40,102,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 134,487,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | |
Impairment of long-lived assets and goodwill | 75,700,000us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 197,220,000us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | 0us-gaap_ImpairmentOfLongLivedAssetsHeldForUse |
Loss Related to Bankruptcy of Major Customer | 4,800,000gti_LossRelatedtoBankruptcyofMajorCustomer | |||
Industrial Materials [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Net sales | 840,103,000us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
909,448,000us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
1,025,571,000us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
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Total segment operating income (loss) | (50,260,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
20,007,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
197,335,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
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Other (income) expense, net | 60,300,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
34,500,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
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Mark To Market Adjustment | 3,500,000gti_MarkToMarketAdjustment / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
4,200,000gti_MarkToMarketAdjustment / us-gaap_StatementBusinessSegmentsAxis = gti_IndustrialMaterialsMember |
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Engineered Solutions [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Net sales | 245,201,000us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
257,226,000us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
222,693,000us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
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Total segment operating income (loss) | (138,271,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
28,392,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
22,374,000us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
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Other (income) expense, net | 3,600,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
22,000,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
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Mark To Market Adjustment | 9,200,000gti_MarkToMarketAdjustment / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
5,900,000gti_MarkToMarketAdjustment / us-gaap_StatementBusinessSegmentsAxis = gti_EngineeredSolutionsMember |
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Corporate and Other [Member] | ||||
Segment Reporting Information [Line Items] | ||||
Total segment operating income (loss) | (67,089,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
(50,969,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
(63,241,000)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
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Other (income) expense, net | 1,800,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
6,300,000us-gaap_OtherNonoperatingIncomeExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
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Mark To Market Adjustment | (6,300,000)gti_MarkToMarketAdjustment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
4,200,000gti_MarkToMarketAdjustment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
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Proxy Context Costs | $ 2,400,000gti_ProxyContextCosts / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
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Loss Related to Bankruptcy of Major Customer No definition available.
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Mark To Market Adjustment No definition available.
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Proxy Context Costs No definition available.
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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The net result for the period of deducting operating expenses from operating revenues. No definition available.
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The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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