Inventories (Tables)

3 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

Inventories consisted of the following (in thousands):

	June 30, 2021		March 31, 2021
At cost - FIFO basis:
Raw materials	$	97,516	$	79,981
Work-in-process	29,404		23,067
Finished goods	31,536		27,201
Total at cost FIFO basis	158,456		130,249
LIFO cost less than FIFO cost	(19,798)		(18,761)
Net inventories	$	138,658	$	111,488