Inventories (Tables)

3 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of inventory, current

Inventories consisted of the following (in thousands):

	June 30, 2020		March 31, 2020
Ground equipment manufacturing:
Raw materials	5,421		4,192
Work in process	1,833		2,731
Finished goods	1,897		1,725
Printing equipment and maintenance
Raw materials	468		464
Finished goods	909		910
Commercial jet engines and parts	53,936		51,084
Total inventories	$	64,464	$	61,106
Reserves	(585)		(483)
Total inventories, net of reserves	$	63,879	$	60,623