Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Commercial jet engines and parts:
Parts	$ 30,792	$ 49,522
Total inventories	43,537	65,327
Reserves	(4,998)	(4,607)
Total inventories, net of reserves	38,539	60,720
Overnight air cargo:
Ground equipment manufacturing:
Finished goods	1,102	893
Corporate and other:
Finished goods	1,102	893
Ground equipment manufacturing:
Ground equipment manufacturing:
Raw materials	4,806	5,171
Work in process	1,249	5,244
Finished goods	3,702	2,770
Corporate and other:
Raw materials	4,806	5,171
Finished goods	3,702	2,770
Corporate and other
Ground equipment manufacturing:
Raw materials	1,165	1,003
Finished goods	721	724
Corporate and other:
Raw materials	1,165	1,003
Finished goods	$ 721	$ 724