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Balance Sheet Components - Product Warranties (Details) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Jun. 30, 2016
Product Warranties:      
Balance, beginning of period $ 7,129 $ 7,700  
Provision for warranty 4,926 3,866  
Costs charged to accrual (4,808) (3,819)  
Change in estimated liability for pre-existing warranties (321) (202)  
Balance, end of period 6,926 7,545  
Current portion (5,600) (7,545) $ (5,816)
Long-term portion $ 1,326 $ 0 $ 1,313