Inventories (Tables)

3 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Components of Inventories

The components of inventories are as follows:

	June 30, 2021		March 31, 2021
	(in $000's)
Raw materials and supplies	$	29,022	$	27,782
Work-in-progress		36,792		35,187
Finished goods		17,847		18,090
	$	83,661	$	81,059