Other Long-Term Assets - Additional Information (Detail) (USD $)	12 Months Ended	1 Months Ended
	Sep. 30, 2014	Feb. 28, 2006 Corporate Joint Venture [Member]	Feb. 28, 2006 Great American Marina [Member] Corporate Joint Venture [Member]	Feb. 28, 2006 Brunswick's Contribution [Member] Corporate Joint Venture [Member]
Business Acquisition [Line Items]
Acquired certain real estate and assets		$ 4,000,000	$ 11,000,000	$ 7,000,000
Purchase of note receivable	$ 6,020,000