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Inventories
3 Months Ended
Jul. 31, 2013
Inventories [Abstract]  
Inventories

 

NOTE F--INVENTORIES

 

The components of inventories were:

 

 

 

 

 

 

 

 

 

 

July 31,

 

April 30,

(in thousands)

 

2013

 

2013

Raw materials

 

$

12,321 

 

$

11,823 

Work-in-process

 

 

17,362 

 

 

17,170 

Finished goods

 

 

12,066 

 

 

11,318 

 

 

 

 

 

 

 

Total FIFO inventories

 

 

41,749 

 

 

40,311 

 

 

 

 

 

 

 

Reserve to adjust inventories to LIFO value

 

 

(10,982)

 

 

(10,973)

 

 

 

 

 

 

 

Total LIFO inventories

 

$

30,767 

 

$

29,338 

 

Interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and costs.  Since these items are estimated, interim results are subject to the final year-end LIFO inventory valuation.