Inventory

9 Months Ended

Dec. 31, 2020

Inventory [Abstract]

Inventory

4. Inventory

Inventory is comprised of the following:

	December 31, 2020			March 31, 2020
Inventory
Raw materials	$	123,423,000		$	99,360,000
Work-in-process		9,391,000			3,906,000
Finished goods		164,020,000			135,601,000
		296,834,000			238,867,000
Less allowance for excess and obsolete inventory		(13,303,000	)		(13,208,000	)
Inventory — net		283,531,000			225,659,000
Inventory unreturned		12,750,000			9,021,000
Total inventory	$	296,281,000		$	234,680,000