Benefit And Retirement Plans (Details) (USD $)	12 Months Ended
	Jun. 30, 2012 employee	Jun. 30, 2011	Jun. 30, 2010
Total pension and retirement plan expense	$ 1,600,000	$ 1,700,000	$ 1,500,000
Company's matching contribution to retirement savings plans	400,000	500,000	400,000
Employer matching contribution as percentage of employee earnings	4.00%
Cumulative cost to exit multi-employer plans	7,800,000	7,200,000	7,300,000
Benefit obligation increase from interest expense	300,000	200,000	200,000
Benefit obligation increase from service costs	400,000	400,000	300,000
Benefit plan decrease from payments	400,000	400,000	400,000
Deferred compensation liability	5,600,000	5,300,000
Deferred compensation plan assets	5,900,000	5,533,000
Deferred common stock shares	36,867
Deferred common stock award date fair value	700,000	500,000
Deferred compensation common shares distributed		5,227
Number of plan participants	430
Accrued benefit liability	2,700,000	1,100,000
Accumulated benefit obligation	7,800,000	6,200,000
Pension plan expense	$ 0	$ 200,000	$ 200,000
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%