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Discontinued Operations (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  | 12 Months Ended | 3 Months Ended | 6 Months Ended
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Dec. 31, 2012 | Jul. 01, 2012 RTS | Jul. 01, 2012 RTS | Jul. 01, 2012 MDOC | Jul. 01, 2012 MDOC | Jul. 19, 2012 East Mississippi Correctional Facility bed | Aug. 13, 2012 Marshall County Correctional Facility bed | Jul. 01, 2012 Walnut Grove Youth Correctional Facility bed | Dec. 31, 2012 Services Agreement | Dec. 31, 2012 License Agreement | Jun. 30, 2013 Services and Licensing Agreement | Jun. 30, 2013 Services and Licensing Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture of businesses | $ 33.3 |  |  |  |  |  |  |  |  |  |  |
Period of working capital adjustment after divestiture | 0 years 0 months 105 days |  |  |  |  |  |  |  |  |  |  |
Proceeds from divestiture of business, final | 32.3 |  |  |  |  |  |  |  |  |  |  |
Long-Term Purchase Commitment, Earn-Out | 5.0 |  |  |  |  |  |  |  |  |  |  |
Services Agreement Contract Term |  |  |  |  |  |  |  |  |  | 5 years |  |
Sales Revenue, Services, Other |  |  |  |  |  |  |  |  | 1.8 |  |  |
Licensing Agreement Contract Term |  |  |  |  |  |  |  |  |  | 5 years |  |
Licenses Revenue |  |  |  |  |  |  |  |  |  | 0.4 |  |
Sales Service Revenue Other and License Revenue |  |  |  |  |  |  |  |  |  |  | 0.6 | 1.2
Number of beds discontinued |  |  |  |  |  | 1,500 | 1,000 | 1,450 |  |  |  |
Disposal Group, Including Discontinued Operation, Revenue |  | 41.2 | 82.4 | 11.2 | 22.3 |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Operating Income (Loss) |  | $ 3.5 | $ 5.5 | $ (0.9) | $ (0.9) |  |  |  |  |  |  |

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- Definition Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + 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 (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Revenue earned during the period relating to consideration received from another party for the right to use, but not own, certain of the entity's intangible assets. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. Licensing fees are generally, but not always, fixed as to amount and not dependent upon the revenue generated by the licensing party. An entity may receive licensing fees for licenses that also generate royalty payments to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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