Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Nov. 15, 2010
Assets held for sale book value	$ 2,800,000
Preferred stock, shares authorized	3,050,000	3,050,000
Repurchase authorization				2,000,000
Remaining number of shares authorized for repurchase	1,618,000
Other income	$ 14,388,000	$ 893,000	$ 8,696,000
Reduction in basic and diluted net income per share			$ 0.01
Building And Improvements [Member]
Estimated useful lives, minimum, in years	2
Estimated useful lives, maximum, in years	45
Machinery And Equipment [Member]
Estimated useful lives, minimum, in years	2
Estimated useful lives, maximum, in years	20
Class A Participating Preferred Stock [Member]
Preferred stock, shares authorized	750,000
Preferred stock, par value	$ 1.00
Class B Voting Preferred Stock [Member]
Preferred stock, shares authorized	1,150,000
Preferred stock, par value	$ 0
Class C Nonvoting Preferred Stock [Member]
Preferred stock, shares authorized	1,150,000
Preferred stock, par value	$ 0