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INVENTORIES
 3 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
INVENTORIES
INVENTORIES
Inventories consist of the following (in thousands):
 
June 30, 2017
 
March 31, 2017
Raw materials and supplies
$
24,038

 
$
21,717

Work in process
5,480

 
6,272

Finished goods
28,767

 
29,538

Total inventories
58,285

 
57,527

Less: LIFO reserve
(5,295
)
 
(5,295
)
Less: Obsolescence reserve
(1,796
)
 
(1,831
)
Inventories, net
$
51,194

 
$
50,401