Benefit And Retirement Plans (Narrative) (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2016 USD ($) employee	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Pension and Other Postretirement Benefits [Line Items]
Total pension and retirement plan expense	$ 1,800	$ 2,000	$ 1,900
Company's matching contribution to retirement savings plans	500	500	500
Contributed to multi-employer defined benefit pension plans	553	619	639
Cumulative cost to exit multi-employer plans	9,600
Supplemental retirement plans - current	1,751	1,208
supplemental retirement plan-long term liability	900	2,900
Supplemental plan liabilities	2,400	4,100
Benefit obligation increase from interest expense	500	500	1,400
Benefit obligation increase from service costs	200	300	300
Benefit plan decrease from payments	$ 1,000	900	3,100
Number of plan participants | employee	387
Accrued benefit liability	$ 1,600	900
Accumulated benefit obligation	8,900	8,000
Pension plan expense	100	100	$ 100
Other Current Assets [Member]
Pension and Other Postretirement Benefits [Line Items]
Deferred compensation plan assets	1,500	1,100
Other Assets [Member]
Pension and Other Postretirement Benefits [Line Items]
Deferred compensation plan assets	$ 844	$ 2,404