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Stockholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 9 Months Ended | 12 Months Ended |  | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Dec. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Sep. 30, 2009 | Jun. 30, 2011 | Jun. 30, 2012 Two Thousand Six Equity Incentive Plan [Member] | Jun. 30, 2011 Two Thousand Six Equity Incentive Plan [Member] | Jun. 30, 2012 Phantom Share Units PSU's [Member] | Jun. 30, 2011 Phantom Share Units PSU's [Member] | Jun. 30, 2012 Restricted Stock [Member] | Jun. 30, 2011 Restricted Stock [Member] | Oct. 01, 2013 Restricted Stock [Member] | Sep. 30, 2012 Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | 100,000,000 |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |
Common stock, shares outstanding | 14,994,653 |  |  |  |  |  |  | 14,938,071 | 10,555,000 |  |  |  |  |  |  |
Common shares repurchased for tax withholding |  |  |  |  |  |  |  |  | 34,578,000 | 18,846,000 |  |  |  |  |  |
Unvested shares forfeited |  | (27,866,000) | (130,258,000) |  | (38,000,000) |  |  |  | 27,242,000 | 130,258,000 |  |  |  |  |  |
Shares issued under share based compensation program |  |  |  |  |  |  |  |  | 100,000,000 | 204,000,000 |  |  |  |  |  |
Recognized compensation expense |  |  |  |  |  |  |  |  |  |  |  |  | $ 405 | $ 566 |  |
Unamortized compensation cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 488 | 618
Compensation expense to be recognized |  |  |  |  |  |  |  |  |  |  |  |  | $ 130 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 |  |  | 20,000 |  | 0 | 7,500 |  |  |  | 31,885,000 | 24,632,000 |  |  |  |

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- Definition Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 -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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph h -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(e) -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
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