Balance Sheet Accounts (Schedule of Product Warranty Liability Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance beginning of period	$ 10,415	$ 7,845	$ 8,676	$ 7,551
New warranties issued	1,638	1,751	7,158	5,699
Warranty expenditures	(1,773)	(1,717)	(5,554)	(5,371)
Balance end of period	$ 10,280	$ 7,879	$ 10,280	$ 7,879