XML 154 R106.htm IDEA: XBRL DOCUMENT v2.4.1.9

Goodwill and Intangible Assets - Goodwill and Other Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Goodwill - Composite Fibers	$ 84,137us-gaap_Goodwill	$ 95,948us-gaap_Goodwill
Total intangibles	95,769us-gaap_FiniteLivedIntangibleAssetsGross	109,837us-gaap_FiniteLivedIntangibleAssetsGross
Accumulated amortization	(18,671)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization	(13,756)us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization
Net intangibles	77,098us-gaap_IntangibleAssetsNetExcludingGoodwill	96,081us-gaap_IntangibleAssetsNetExcludingGoodwill
Specialty Papers [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	6,155us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / us-gaap_StatementBusinessSegmentsAxis = glt_SpecialtyPaperMember	6,155us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember / us-gaap_StatementBusinessSegmentsAxis = glt_SpecialtyPaperMember
Composite Fibers [Member] | Tradename [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	5,902us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_TradeNameMember / us-gaap_StatementBusinessSegmentsAxis = glt_CompositeFibersMember	10,325us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_TradeNameMember / us-gaap_StatementBusinessSegmentsAxis = glt_CompositeFibersMember
Composite Fibers [Member] | Technology and Related [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	41,749us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_TechnologyAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_CompositeFibersMember	46,038us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_TechnologyAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_CompositeFibersMember
Composite Fibers [Member] | Customer Relationships and Related [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	37,421us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_CustomerRelationshipsAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_CompositeFibersMember	42,251us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_CustomerRelationshipsAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_CompositeFibersMember
Advanced Airlaid Materials [Member] | Technology and Related [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	1,500us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_TechnologyAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_AdvancedAirlaidMaterialMember	1,623us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_TechnologyAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_AdvancedAirlaidMaterialMember
Advanced Airlaid Materials [Member] | Customer Relationships and Related [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	$ 3,042us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_CustomerRelationshipsAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_AdvancedAirlaidMaterialMember	$ 3,445us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = glt_CustomerRelationshipsAndRelatedMember / us-gaap_StatementBusinessSegmentsAxis = glt_AdvancedAirlaidMaterialMember

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

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