Income Tax Uncertainties (Details 2) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014
Income Tax Uncertainties
Estimated decrease in unrecognized tax benefits within the next 12-month period, high end of range	$ 0.3
Estimated decrease in unrecognized tax benefits net of federal benefits within the next 12-month period	$ 0.2

The estimated upper bound of the reasonably possible change in the total amount of the unrecognized tax benefit (that will significantly increase or decrease within twelve months of the balance sheet date) for a tax position taken.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

Name:	us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant