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Sale of First Choice (Details) (USD $) | 9 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended |  |  | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Nov. 01, 2011 First Choice [Member] | Aug. 31, 2012 First Choice [Member] | Sep. 30, 2012 First Choice [Member] | Oct. 31, 2011 First Choice [Member] | Sep. 23, 2011 First Choice [Member] | Sep. 30, 2012 Other Income [Member] First Choice [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Discontiuned Operations, Agreed Upon Sale Price |  |  |  |  |  |  | $ 270,000,000 |
Proceeds from sale of First Choice | 4,034,000 | 0 | 329,300,000 |  |  |  |  |
Gain on sale of business segment |  |  |  |  | 174,900,000 |  |  | 1,000,000
Working capital that purchaser disputing is overstated |  |  |  |  |  | 2,400,000 |  |
Working capital that parent is disputing is understated |  |  |  |  |  | (5,800,000) |  |
Portion of disputed total awarded |  |  |  | 6,400,000 |  |  |  |
Disputed amount |  |  |  | $ 8,200,000 |  |  |  |

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- Details
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- Definition The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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