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v2.4.0.8

Notes Payable - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Debt Instrument [Line Items] |  |  |
Restricted cash held for notes payable | $ 0.1 |  | $ 25.2
Principal and interest payments |  |  | 25.0
13% Senior First Lien Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Note issued | 110.0 |  |
Cash interest payments on Notes | 13.4 |  |
Cash interest paid on Notes | 9.7 | 3.7 | 3.7
Principal payments | 36.2 |  | 2.1
13% Senior Second Lien Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Note issued | 20.0 |  |
Notes maturity date | Mar. 19, 2030 |  |
PIK Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Note issued | 10.5 |  | 8.3
Runoff Notes [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Outstanding amounts of notes | $ 102.2 |  | $ 136.3

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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of the required periodic payments applied to interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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