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Subsequent Event (Details) (Assets Held-for-sale [Member], USD $) In Millions, unless otherwise specified | Feb. 28, 2015
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Assets Held-for-sale [Member] |
Subsequent Event [Line Items] |
Assets Held-for-sale, Long Lived, Fair Value Disclosure | $ 4.2 us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure / us-gaap_SubsequentEventTypeAxis = us-gaap_AssetsHeldForSaleMember

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- Definition Fair value portion of assets classified as held for sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
Name: | us-gaap_AssetsHeldForSaleLongLivedFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration