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Litigation (Details) - USD ($) | Oct. 26, 2015 | Sep. 30, 2015 | Mar. 31, 2015 | May. 31, 2011
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Recorded amount of accruals for litigation settlement net of insurance recovery |  | $ 16,948,000 | $ 10,096,000 |
M&T Bank and Trustee [Member] | Subsequent Event [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Amount of litigation settlement | $ 18,500,000 |  |  |
Amount of litigation settlement paid by Company insurers | $ 9,250,000 |  |  |
Recorded amount of accruals for litigation settlement net of insurance recovery |  | $ 9,250,000 |  |
Fapco [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Direct ownership interest acquired |  |  |  | 1.00%
FAPL's ownership interest prior to acquisition |  |  |  | 99.00%
Combined direct and indirect ownership interest subsequent to acquisition |  |  |  | 100.00%

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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