Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Nov. 15, 2010
Summary Of Accounting Policies [Line Items]
Assets held for sale book value	$ 2,200,000
Assets held for sale, current	100,000
Assets held for sale noncurrent	2,100,000
Preferred stock, shares authorized	3,050,000	3,050,000
Shares authorized for repurchase				2,000,000
Shares remaining authorized for future purchase	1,476,000
Other income - Continued Dumping and Subsidy Offset Act	$ 2,701,000	$ 14,388,000	$ 893,000
Class A Participating Preferred Stock[Member]
Summary Of Accounting Policies [Line Items]
Preferred stock, shares authorized	750,000
Preferred stock, par value	$ 1.00
Class B Voting Preferred Stock[Member]
Summary Of Accounting Policies [Line Items]
Preferred stock, shares authorized	1,150,000
Preferred stock, par value	$ 0
Class C Nonvoting Preferred Stock [Member]
Summary Of Accounting Policies [Line Items]
Preferred stock, shares authorized	1,150,000
Preferred stock, par value	$ 0
Buildings And Improvements [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life	2 years
Buildings And Improvements [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life	45 years
Machinery And Equipment [Member] | Minimum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life	2 years
Machinery And Equipment [Member] | Maximum [Member]
Summary Of Accounting Policies [Line Items]
Estimated useful life	20 years