Balance Sheet Accounts (Summary of Product Warranty Liability Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance beginning of period	$ 12,601	$ 13,499	$ 12,807	$ 10,584
Warranties assumed due to acquisitions		526		3,682
New warranties issued	4,145	1,657	7,867	3,929
Warranty expenditures	(3,938)	(2,672)	(7,866)	(5,185)
Balance end of period	$ 12,808	$ 13,010	$ 12,808	$ 13,010