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Inventories (Tables)
 12 Months Ended
Jun. 30, 2012
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
June 30,
2012
 
2011
(In thousands)
 
 
 
Raw materials
$
13,405

 
$
15,633

Work in process
13,767

 
11,723

Finished goods
2,138

 
1,609

 
29,310

 
28,965

Reserve for LIFO cost valuation
(6,751
)
 
(7,436
)
Inventories
$
22,559

 
$
21,529