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Commitments and Contingent Liabilities and Other Tax Matters (Details) (Claims by former controlling shareholders of LFIN, USD $) In Millions, unless otherwise specified | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 29, 2012 | Dec. 31, 2010 | Nov. 30, 2010 | Mar. 31, 2012 | Sep. 30, 2012 | Dec. 31, 2004
Claims by former controlling shareholders of LFIN |  |  |  |  |  |
Commitments and Contingent Liabilities and Other Tax Matters, details |  |  |  |  |  |
Loss contingency, amount |  |  | $ 24.25 |  |  | $ 14.00
Deposits made against tax refund litigations |  | 24.4 |  | 1.2 |  |
Payment made to former controlling shareholders of LFIN | $ 24.4 |  |  |  |  |
Company's effective tax rate (as a percent) |  |  |  |  | 31.00% |

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- Definition Represents the payment made to the former controlling shareholders of Loan Financial Corporation in connection with settlement of dispute related to certain tax matters. + References No definition available. + Details
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- Definition A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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