Environmental Costs Schedule of Change in Enviornmental Remediation (Details) (Accruals and Payable and Other Long Term Liabilties [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Accruals and Payable and Other Long Term Liabilties [Member]
Accrual for Environmental Loss Contingencies [Roll Forward]
Balance at January 1	$ 11,531	$ 12,818
Additions to accrual	1,865	698
Payments	(2,465)	(1,984)
Other	(307)	0
Changes in foreign currency exchange rates	(26)	(1)
Balance at December 31	$ 10,598	$ 11,531

Enviromental Remediation Liability Released to Income

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 25

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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- Definition

The Increase or Decrease in the accrual for environmental loss contingencies during the reporting period related to currency translations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 5.Y.Q2)

-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Foreign Currency Translation

-URI http://asc.fasb.org/extlink&oid=6513664

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- Definition

The aggregate amount disbursed during the reporting period to settle environmental loss contingencies.

+ References

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- Definition

The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates.

+ References

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