Benefit And Retirement Plans (Details) (USD $)	12 Months Ended
	Jun. 30, 2013 employee	Jun. 30, 2012	Jun. 30, 2011
Total pension and retirement plan expense	$ 1,800,000	$ 1,600,000	$ 1,700,000
Company's matching contribution to retirement savings plans	500,000	400,000	500,000
Employer matching contribution as percentage of employee earnings	4.00%
Cumulative cost to exit multi-employer plans	8,600,000	7,800,000	7,200,000
Supplemental retirement plans - current	2,989,000	0
supplemental retirement plan-long term liability	2,400,000	5,600,000
Supplemental plan liabilities	5,400,000	5,600,000
Benefit obligation increase from interest expense	500,000	300,000	200,000
Benefit obligation increase from service costs	500,000	400,000	400,000
Benefit plan decrease from payments	1,300,000	400,000	400,000
Deferred compensation plan assets	5,800,000	5,900,000
Number of plan participants	424
Accrued benefit liability	1,500,000	2,700,000
Accumulated benefit obligation	7,400,000	7,800,000
Pension plan expense	100,000	0	200,000
Other Current Assets [Member]
Deferred compensation plan assets	3,300,000	0
Other Assets [Member]
Deferred compensation plan assets	$ 2,529,000	$ 5,900,000
Minimum [Member]
Defined benefit plan cost as percentage of each covered employee's wages	2.00%
Employer matching contribution as percentage of employee contributions	25.00%
Maximum [Member]
Defined benefit plan cost as percentage of each covered employee's wages	6.00%
Employer matching contribution as percentage of employee contributions	50.00%