Balance Sheet Accounts (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016
Goodwill [Roll Forward]
Balance at beginning of period	$ 70,877	$ 70,877
Changes during period	0	0
Balance at end of period	$ 70,877	$ 70,877