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Inventories
 6 Months Ended
Dec. 31, 2015
Inventory Disclosure [Abstract]  
Inventories
Inventories

Major components of inventories are summarized below. Of total net inventory values shown, 55 percent are under the last-in first-out (LIFO) method at December 31, 2015, and 52 percent at June 30, 2015.

(In thousands)
December 31, 2015
 
June 30,
2015
Raw materials
 
$
10,367

 
$
13,900

Work in process
 
14,390

 
12,053

Finished goods
 
2,318

 
2,428

 
 
27,075

 
28,381

Reserve for LIFO cost valuation
 
(3,700
)
 
(3,700
)
Inventories
 
$
23,375

 
$
24,681