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Preferred Shares Preferred Shares (Details) (USD $) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2012 | Mar. 15, 2007
Preferred Shares [Abstract] |  |  |  |  |  |  |  |  |  |
Impairment Charges Reduction in Gross Margin | $ 2,000,000 | $ 1,000,000 | $ 0 | $ 0 | $ 4,000,000 | $ 2,000,000 | $ 5,000,000 | $ 11,000,000 |  |
Impairment Charges Reducing Net Income | 1,000,000 | (1,000,000) | 400,000 | 100,000 | 2,800,000 | 1,100,000 | 3,400,000 | 6,900,000 |  |
Impairment Charges Reducing EPS | $ 0.05 | $ (0.05) | $ 0.02 | $ 0.00 | $ 0.15 | $ 0.06 | $ 0.18 | $ 0.37 |  |
Preferred Stock, Shares Authorized | 2,000,000 |  |  |  | 2,000,000 |  |  |  | 2,000,000 |
Preferred Stock, Par or Stated Value Per Share | $ 0.01 |  |  |  | $ 0.01 |  |  |  | $ 0.01 |
Shares, Issued |  |  |  |  |  |  |  |  |  | 4,000,000
Preferred Stock, Shares Issued | 4,000 |  |  |  | 4,000 |  |  |  | 4,000 | 4,000
Preferred Stock, Value, Issued | 100,000,000 |  |  |  |  |  |  |  | 100,000,000 |
Dividends, Preferred Stock |  |  |  |  |  |  |  |  | 0 |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  |  |  |  |  | 9.75% |
Restricted Payments Basket | $ 39,400,000 |  |  |  |  |  |  |  | $ 39,400,000 |

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- Definition Equity impact of aggregate cash, stock, and paid-in-kind dividends declared for preferred shareholders during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 14 -Subparagraph l -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
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- Definition Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 3, 4, 5, 6, 7, 8 -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 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 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 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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