Inventories (Tables)

6 Months Ended

Sep. 30, 2016

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consisted of the following (in thousands):

	September 30, 2016			March 31, 2016
At cost - FIFO basis:
Raw materials	$	72,303		$	74,968
Work-in-process	21,089			18,877
Finished goods	38,528			41,517
Total at cost FIFO basis	131,920			135,362
LIFO cost less than FIFO cost	(15,728		)	(17,313		)
Net inventories	$	116,192		$	118,049