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Organization, Basis of Presentation, and Summary of Significant Accounting Policies Dealer Rebates (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Dealer Rebate Accrual [Roll Forward]    
Balance at beginning of year $ 2,709 $ 1,801
Add: Additions to dealer rebate incentive provision 4,511 4,261
Less: Dealer rebates paid (4,816) (3,353)
Balance at end of year $ 2,404 $ 2,709