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Discontinued Operations and Deconsolidation of Fenco (Details) - USD ($) | 2 Months Ended | 12 Months Ended |
--- | --- | --- | ---
May 31, 2013 | Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014 | May 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Income from discontinued operations |  | $ 0 | $ 0 | $ 100,877,000 |
Fenco [Member] |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Gain from deconsolidation of Fenco | $ 118,095,000 |  |  |  |
Income tax benefit from discontinued operations | 1,374,000 |  |  |  |
Loss in connection with guarantee of obligations to Fenco suppliers | 20,464,000 |  |  |  |
Income tax benefit from discontinued operations related to guarantee of obligations to certain Fenco suppliers | 9,156,000 |  |  |  |
Net sales | 14,140,000 |  |  |  |
Operating losses | $ 5,910,000 |  |  |  |
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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