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Intangibles (Net of Amortization) and Goodwill (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Net carrying amount of intangibles and goodwill	15,260,000us-gaap_IntangibleAssetsNetIncludingGoodwill	$ 16,859,000us-gaap_IntangibleAssetsNetIncludingGoodwill
Accumulated goodwill impairment	0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss	$ 0us-gaap_GoodwillImpairedAccumulatedImpairmentLoss
Contracts [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	10 years
Customer Bases [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	20 years
Trademarks And Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	10 years
Minimum [Member] | Formulas And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	10 years
Maximum [Member] | Formulas And Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated economic life, in years	20 years

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of accumulated impairment loss for 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

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a,h)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

+ References

No definition available.

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