Estimated Reduction in Capacity

No definition available.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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- Definition

Amount of costs incurred to date for the specified restructuring cost.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.P.4(b))

-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

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-Topic 420

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-Subparagraph (SAB Topic 5.P.4(b))

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section P

-Subsection 3, 4

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- Definition

The expected number of positions to be eliminated as a result of restructuring activities.

+ References

No definition available.

+ Details

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- Definition

The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Rationalizations and Impairments (Narrative) (Details) metric_tons in Thousands, $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 02, 2015 USD ($) employee	Sep. 30, 2015 USD ($)	Sep. 30, 2014	Sep. 30, 2015 USD ($) employee metric_tons	Sep. 30, 2014	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
2013 Rationalization Initiatives
Restructuring Cost and Reserve [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment		$ 300
Expected cash outlay				$ 1,057			$ 16,494
Industrial Materials Segment
Restructuring Cost and Reserve [Line Items]
Estimated reduction in capacity (metric tons) \| metric_tons				60
Expected number of positions eliminated (employees) \| employee				600
Number of positions eliminated (percent)					20.00%
Engineered Solutions Segment
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated (employees) \| employee				40
2014 Engineered Solutions Rationalization
Restructuring Cost and Reserve [Line Items]
Expected cash outlay				$ 979			916
2014 Corporate and Research & Development Rationalization
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated (percent)			25.00%
Expected cost		20,000		20,000
Restructuring and Related Cost, Cost Incurred to Date		14,000		14,000
Expected cash outlay				5,046			$ 1,155
2014 Corporate and Research & Development Rationalization \| Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Expected cash outlay						$ 12,000
2015 Advanced Graphite Materials Rationalization
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated (employees) \| employee	85
Expected cost	$ 10,000
Expected cash outlay				2,032
2015 Advanced Graphite Materials Rationalization \| Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Expected cash outlay						$ 8,000
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] \| 2013 Rationalization Initiatives
Restructuring Cost and Reserve [Line Items]
Property, plant and equipment		7,700		7,700
Other Accrued Liabilities		$ 1,500		$ 1,500