Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
Jun. 30, 2012
Discontinued Operations [Abstract]
Gain on sale of subsidiary	$ (0.07)
Amounts of Material Contingent Liabilities Remaining	0.1
Maximum Lease Obligation	$ 0.3

Amounts of material contingent liabilities, for example, but not limited to, product or environmental liabilities or litigation, that remain with the entity despite the disposal of the disposal group that is classified as a component of the entity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349

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

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

-Section Z

-Paragraph Question 2

-Subsection 5

Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

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-Section S99

-Paragraph 2

-Subparagraph (SAB TOPIC 5.Z.5 Q2)

-URI http://asc.fasb.org/extlink&oid=6361211&loc=d3e7384-122677

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

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Reference 9: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

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-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349

+ Details

- Definition

Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References+ Details