Selected Consolidated Financial Statement Information (Restructuring Accrual) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Document Period End Date	Jun. 30, 2017
Restructuring accrual to be paid within the next twelve months	$ 169	$ 1,337
Restructuring accrual
Restructuring charge	0	2,364	$ 0
Accrued Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring accrual to be paid within the next twelve months	169
Other Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring accrual, long-term portion	22
Employee Severance
Restructuring accrual
Balance at beginning of period	1,521	0
Restructuring charge		2,311
Cash payments	(1,330)	(790)
Balance at end of period	191	1,521	$ 0
Employee Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Severance Costs		$ 1,507
Employee Severance | Accrued Expenses
Restructuring Cost and Reserve [Line Items]
Accrued Liabilities	413
Employee Severance | Other Liabilities
Restructuring Cost and Reserve [Line Items]
Accrued Liabilities	14
Other Employee Related Costs
Restructuring accrual
Restructuring charge	55
Stock-based Modification Expense
Restructuring accrual
Restructuring charge	$ (2)