Inventories (Tables)

6 Months Ended

Sep. 30, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consisted of the following (in thousands):

	September 30, 2023		March 31, 2023
At cost - FIFO basis:
Raw materials	$	166,637	$	142,490
Work-in-process	29,831		26,323
Finished goods	40,898		39,714
Total at cost FIFO basis	237,366		208,527
LIFO cost less than FIFO cost	(32,369)		(29,168)
Net inventories	$	204,997	$	179,359