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Basis of Presentation - Additional Information (Detail)	6 Months Ended
	Mar. 31, 2014 Operations Dealer
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Previously independent recreational boat dealers	5
Recreational boat dealers	23
Boat brokerage operations	2
Full-service yacht repair operations	2

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Boat brokerage operations number.

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Full service yacht repair operations number.

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Independent recreational boat dealers in number.

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- Definition

Recreational boat dealers in number.

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