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Other Assets - Additional Information (Detail) - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Feb. 28, 2006 | Sep. 30, 2016 | Sep. 30, 2015
Prepaid Expenses and Other Current Assets [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Certain real estate assets, held for sale |  | $ 850,000 | $ 6,700,000
Corporate Joint Venture [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquired certain real estate and assets | $ 4,000,000 |  |
Great American Marina [Member] | Corporate Joint Venture [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquired certain real estate and assets | 11,000,000 |  |
Brunswick's Contribution [Member] | Corporate Joint Venture [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Acquired certain real estate and assets | $ 7,000,000 |  |

X
- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6390208&loc=d3e400-110220 + Details
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