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Product Warranties (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Product Warranties Disclosures [Abstract]    
Standard product warranty, period 3 years  
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at beginning of year $ 5,658 $ 3,863
Add: Additions to warranty provision 2,907 3,756
Less: Warranty claims paid (2,401) (1,961)
Balance at end of year $ 6,164 $ 5,658