Balance Sheet Accounts (Summary of Product Warranty Liability Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance beginning of period	$ 13,010	$ 10,790	$ 10,584	$ 9,998
Warranties assumed due to acquisitions			3,682	2,034
New warranties issued	2,872	1,893	6,801	3,997
Warranty expenditures	(3,070)	(2,080)	(8,255)	(5,426)
Balance end of period	$ 12,812	$ 10,603	$ 12,812	$ 10,603