Benefit And Retirement Plans (Narrative) (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2017 USD ($) employee	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)
Benefit And Retirement Plans [Abstract]
Total pension and retirement plan expense	$ 2,300	$ 1,800	$ 2,000
Company's matching contribution to retirement savings plans	800	500	500
Contributed to multi-employer defined benefit pension plans	480	553	619
Cumulative cost to exit multi-employer plans	$ 12,300
Number of plan participants | employee	379
Accrued benefit liability	$ 200	1,600
Accumulated benefit obligation	8,500	8,900
Pension plan expense	$ 200	$ 100	$ 100