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Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands		9 Months Ended
	Oct. 23, 2014	Mar. 31, 2016	Jun. 30, 2015
Goodwill [Line Items]
Gross Carrying Amount		$ 57,429	$ 57,423
Accumulated Amortization		(45,082)	(43,428)
Total other intangible assets, net		12,347	13,995
Franchise Rights [Member]
Goodwill [Line Items]
Gross Carrying Amount		$ 1,380	1,378
Estimated Useful Life (in years)	5 years	5 years
Weighted Average Remaining Useful Life (in years)		3 years 6 months 23 days
Dealer Relationship [Member]
Goodwill [Line Items]
Gross Carrying Amount		$ 29,846	29,842
Estimated Useful Life (in years)	15 years
Weighted Average Remaining Useful Life (in years)		13 years 6 months 23 days
Patents [Member]
Goodwill [Line Items]
Gross Carrying Amount		$ 1,386	1,386
Estimated Useful Life (in years)		12 years
Weighted Average Remaining Useful Life (in years)		2 years 3 months 29 days
Trade Names [Member]
Goodwill [Line Items]
Gross Carrying Amount		$ 24,667	24,667
Estimated Useful Life (in years)		15 years
Weighted Average Remaining Useful Life (in years)		5 years 4 months 29 days
Noncompete Agreements [Member]
Goodwill [Line Items]
Gross Carrying Amount		$ 54	54
Estimated Useful Life (in years)	10 years	10 years
Weighted Average Remaining Useful Life (in years)		8 years 6 months 23 days
Order or Production Backlog [Member]
Goodwill [Line Items]
Gross Carrying Amount		$ 96	$ 96
Estimated Useful Life (in years)	3 months 22 days	3 months 22 days
Weighted Average Remaining Useful Life (in years)		1 day
Minimum [Member] | Dealer Relationship [Member]
Goodwill [Line Items]
Estimated Useful Life (in years)		8 years
Maximum [Member] | Dealer Relationship [Member]
Goodwill [Line Items]
Estimated Useful Life (in years)		15 years

X

- Definition

Finite-Lived Intangible Asset, Weighted Average Remaining Useful Life (in years)

+ References

No definition available.

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+ References

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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