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Organization, Basis of Presentation, and Summary of Significant Accounting Policies Concentration Risk (Details) $ in Thousands	5 Months Ended	12 Months Ended
	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) dealer	Jun. 30, 2014 USD ($)	Jun. 30, 2013	Apr. 02, 2015 USD ($)
Concentration Risk [Line Items]
Capitalized offering costs	$ (1,550)	$ (1,498)
Long-term Debt	0	$ 78,500	$ 0
Concentration risk, credit risk, line of credit period		14 days
Number of independent dealers | dealer		178
Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration risk percentage		4.70%	4.70%	4.70%
Unit Volume [Member]
Concentration Risk [Line Items]
Concentration risk percentage		33.70%	34.10%	36.10%
Secured Debt [Member]
Concentration Risk [Line Items]
Long-term Debt		$ 78,500			$ 80,000
Additional Paid-in Capital [Member]
Concentration Risk [Line Items]
Capitalized offering costs	$ (1,550)	$ (1,498)	$ (1,550)

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Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

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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.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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