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Company Background - Additional Information (Detail)		12 Months Ended
	Jun. 30, 2014 Location Store	Sep. 30, 2013 Florida [Member] Sales [Member]	Sep. 30, 2012 Florida [Member] Sales [Member]	Sep. 30, 2011 Florida [Member] Sales [Member]	Sep. 30, 2013 Brunswick Boats [Member] Sales [Member]	Sep. 30, 2013 Azimut Yachts [Member] Sales [Member]	Sep. 30, 2013 Brunswick [Member] Brunswick Sea Ray Boat [Member] Sales [Member]
Product Information [Line Items]
Number of retail locations	55
Number of states wherein retail locations are established	18
Revenue percentage from sale of boats		51.00%	49.00%	50.00%	38.00%	13.00%	49.00%

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611



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-Name Accounting Standards Codification

-Topic 275

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-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

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- Definition

Represents the number of stores.

+ References

No definition available.

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