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Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 1 Months Ended | 12 Months Ended |  |  |  | 1 Months Ended |  |  | 12 Months Ended |
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Jul. 14, 2011 | May 19, 2011 | Aug. 13, 2010 D | Sep. 30, 2012 | Sep. 30, 2011 | Mar. 09, 2011 | Jan. 07, 2011 Spectrum Brands [Member] | Aug. 13, 2010 Spectrum Brands [Member] | Jan. 07, 2011 HGI [Member] | Aug. 13, 2010 HGI [Member] | Jul. 14, 2011 Master Fund [Member] | Sep. 30, 2012 Maximum [Member] | Sep. 10, 2010 Maximum [Member] Spectrum Brands [Member] Ratio | Sep. 10, 2010 Minimum [Member] Spectrum Brands [Member] Ratio
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reimbursement of Harbinger Capital expenses |  |  |  | $ 2,030 | $ 1,500 |  |  |  |  |  |  |  |  |
Services agreement advance written notice period for termination |  |  |  | 30 days |  |  |  |  |  |  |  |  |  |
Percentage of membership interest acquired |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Reimbursement of expenses in connection with the insurance transaction |  |  |  |  |  |  |  |  |  |  |  | 13,300 |  |
Front Street reinsurance maximum amount |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Maximum amount of asset securing reinsurance obligations |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Spectrum Brands common stock offering | 1,000 |  |  |  |  |  |  |  |  |  | 5,495 |  |  |
Underwritten common stock offering price per share | $ 28.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lock up agreement days in connection with Spectrum Brands common stock offering | 180 days |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition common stock exchange ratio |  |  |  |  |  |  |  |  |  |  |  |  | 0.0432 | 0.0100
Weighted average trading prices common stock |  |  |  |  |  |  |  | $ 27.36 |  | $ 6.33 |  |  |  |
Trading days |  |  | 30 |  |  |  |  |  |  |  |  |  |  |
Common stock shares issued in connection with acquisition |  |  |  |  |  |  |  |  | 119,910 |  |  |  |  |
Common stock shares exchanged |  |  |  |  |  |  | 27,757 |  |  |  |  |  |  |
Percentage of contribution by principal common stockholders to common stock |  |  |  |  |  |  | 54.50% |  |  |  |  |  |  |

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- Definition Common Stock Lock up Agreement Days + References No definition available. + Details
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- Definition Maximum amount of asset securing reinsurance obligations. + References No definition available. + Details
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- Definition Percentage Of Shares Issued Under Stock Purchase Agreement To Aggregate Outstanding Common Stock + References No definition available. + Details
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- Definition Reimbursement Of Expenses To Related Party + References No definition available. + Details
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- Definition Related Party Transaction Agreement Prior Written Notice Period For Termination Of Agreement + References No definition available. + Details
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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -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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