Inventory

6 Months Ended

Sep. 30, 2023

Inventory [Abstract]

Inventory

4. Inventory

Inventory is comprised of the following:

	September 30, 2023			March 31, 2023
Inventory
Raw materials	$	152,835,000		$	147,880,000
Work-in-process		11,078,000			7,033,000
Finished goods		200,270,000			201,198,000
		364,183,000			356,111,000
Less allowance for excess and obsolete inventory		(16,490,000	)		(16,436,000	)
Inventory — net		347,693,000			339,675,000
Inventory unreturned		18,712,000			16,579,000
Total inventory	$	366,405,000		$	356,254,000