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Goodwill (Tables) | 12 Months Ended
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Apr. 30, 2017
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Changes in Carrying Amount of Goodwill | The changes in the carrying amount of goodwill by reporting segment are as follows:
|  |  | Firearms |  |  |  | Outdoor Products & |  |  |  | Total |
|  |  | Segment |  |  |  | Accessories Segment |  |  |  | Goodwill |
Balance as of April 30, 2015 |  | $ |  | 13,770 |  |  | $ |  | 61,656 |  |  | $ |  | 75,426 |
Adjustments |  |  |  | — |  |  |  |  | 738 |  |  |  |  | 738 |
Acquisitions |  |  |  | — |  |  |  |  | 193 |  |  |  |  | 193 |
Balance as of April 30, 2016 |  |  |  | 13,770 |  |  |  |  | 62,587 |  |  |  |  | 76,357 |
Adjustments |  |  |  | — |  |  |  |  | (141 | ) |  |  |  | (141 | )
Acquisitions |  |  |  | — |  |  |  |  | 92,801 |  |  |  |  | 92,801 |
Balance as of April 30, 2017 |  | $ |  | 13,770 |  |  | $ |  | 155,247 |  |  | $ |  | 169,017 |

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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