Consolidated Statements Of Changes In Stockholders’ Equity And Comprehensive Income (loss) (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Jun. 30, 2008	$ 4	$ 6,715	$ 9,838	$ 131,813	$ 1,515	$ (13,011)	$ 136,874
Comprehensive income (loss):
Net income (loss)				(69,123)			(69,123)
Reclassification adjustment for gains included in net income (loss)					(2,149)		(2,149)
Change in pension plans					(778)		(778)
Change in other post employment benefits					(872)		(872)
Translation adjustment on non-consolidated foreign subsidiary					(27)		(27)
Comprehensive income (loss)				(69,123)	(3,826)		(72,949)
Options exercised			(2)			12	10
Share-based compensation			16				16
Tax effect of share-based compensation			(38)				(38)
Stock plan shares issued from treasury, net of forfeitures			(2,936)			2,936
Stock shares repurchased						(29)	(29)
Balance at Jun. 30, 2009	4	6,715	6,878	62,690	(2,311)	(10,092)	63,884
Comprehensive income (loss):
Net income (loss)				8,738			8,738
Change in pension plans					(291)		(291)
Change in other post employment benefits					(210)		(210)
Translation adjustment on non-consolidated foreign subsidiary					(15)		(15)
Comprehensive income (loss)				8,738	(516)		8,222
Options exercised			(58)			279	221
Share-based compensation			491				491
Stock plan shares issued from treasury, net of forfeitures			295			(303)	(8)
Stock shares repurchased						(26)	(26)
Balance at Jun. 30, 2010	4	6,715	7,606	71,428	(2,827)	(10,142)	72,784
Comprehensive income (loss):
Net income (loss)				(1,313)			(1,313)
Change in pension plans					1,257		1,257
Change in other post employment benefits					1,535		1,535
Translation adjustment on non-consolidated foreign subsidiary					20		20
Comprehensive income (loss)				(1,313)	2,812		1,499
Options exercised			53			622	675
Dividends paid				(891)			(891)
Share-based compensation			1,164				1,164
Stock plan shares issued from treasury, net of forfeitures			(1,350)			1,350
Stock shares repurchased						(33)	(33)
Balance at Jun. 30, 2011	4	6,715	7,473	69,224	(15)	(8,203)	75,198
Comprehensive income (loss):
Net income (loss)				10,635			10,635
Net losses from cash flow hedges					(1,252)		(1,252)
Losses from cash flow hedges reclassified to cost of sales					539		539
Ineffective portion of cash flow hedges reclassified to cost of sales					586		586
Change in pension plans					(1,142)		(1,142)
Change in other post employment benefits					290		290
Translation adjustment on non-consolidated foreign subsidiary					(41)		(41)
Comprehensive income (loss)				10,635	(1,020)		9,615
Options exercised			(1)			98	97
Dividends paid				(906)			(906)
Share-based compensation			510				510
Stock plan shares issued from treasury, net of forfeitures			(1,057)			1,057
Stock shares repurchased						(84)	(84)
Balance at Dec. 31, 2011	$ 4	$ 6,715	$ 6,925	$ 78,953	$ (1,035)	$ (7,132)	$ 84,430