Other Commitments and Contingencies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2014	Dec. 31, 2013	Dec. 31, 2010
Commitments and Contingencies Disclosure [Abstract]
Lawsuit filing date	2008-07-19
Amount To Pay To Plaintiff			$ 0.4
Modified Amount To Pay To Plaintiff		7.4
Company Best Estimate Of Exposure	3.1
Minimum Loss Amount	0
Maximum loss amount	$ 10.0

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Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

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Amount of damages awarded to the plaintiff in the legal matter.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

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Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

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States the date the complaint was formally filed in a court of law, in arbitration or mediation.

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The estimated maximum amount of possible loss from the contingency.

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The estimated minimum amount of possible loss from the contingency.

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