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Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Assets of discontinued operations:
Current assets	$ 2.0us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	$ 1.6us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent
Other assets	2.5us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets	2.3us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets
Liabilities of discontinued operations:
Current liabilities	$ 0.1us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	$ 0.1us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent

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Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759

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Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

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Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759



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-Section 50

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