Inventories (Tables)

6 Months Ended

Sep. 30, 2022

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consisted of the following (in thousands):

	September 30, 2022		March 31, 2022
At cost - FIFO basis:
Raw materials	$	148,908	$	129,015
Work-in-process	28,422		28,093
Finished goods	43,369		36,661
Total at cost FIFO basis	220,699		193,769
LIFO cost less than FIFO cost	(27,910)		(21,630)
Net inventories	$	192,789	$	172,139