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Significant Accounting Policies (Tables) | 12 Months Ended
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Sep. 30, 2013
Accounting Policies [Abstract] |
Estimated Life of Property and Equipment | Useful lives for purposes of computing depreciation are as follows:
|  | Years |
Buildings and improvements |  |  | 5-40 |
Machinery and equipment |  |  | 3-10 |
Furniture and fixtures |  |  | 5-10 |
Vehicles |  |  | 3-5 |
Summary of Percentages of Revenue Generated by Products and Services | The following table sets forth percentages of our revenue generated by certain products and services, for each of last three fiscal years.
|  | 2011 |  |  | 2012 |  |  | 2013 |
New boat sales |  |  | 60.6 | % |  |  | 62.7 | % |  |  | 61.9 | %
Used boat sales |  |  | 19.0 | % |  |  | 17.8 | % |  |  | 19.4 | %
Maintenance, repair, storage, and charter services |  |  | 8.9 | % |  |  | 8.3 | % |  |  | 8.0 | %
Finance and insurance products |  |  | 2.7 | % |  |  | 2.8 | % |  |  | 2.8 | %
Parts and accessories |  |  | 6.2 | % |  |  | 6.0 | % |  |  | 5.5 | %
Brokerage services |  |  | 2.6 | % |  |  | 2.4 | % |  |  | 2.4 | %
Total Revenue |  |  | 100.0 | % |  |  | 100.0 | % |  |  | 100.0 | %

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 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 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 + Details
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