Summary of Significant Accounting Policies (Allowance for Doubtful Accounts) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance at beginning of period	$ 1,316	$ 918	$ 475
Charges to costs and expenses	834	940	468
Deductions	(502)	(542)	(25)
Balance at end of period	$ 1,648	$ 1,316	$ 918