Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
Commercial jet engines and parts:
Whole engines available for sale or tear-down	$ 9,459	$ 10,141
Parts	45,330	50,813
Total inventories	68,045	74,738
Reserves	(3,639)	(3,613)
Total inventories, net of reserves	64,406	71,125
Overnight air cargo:
Ground equipment manufacturing:
Finished goods	746	546
Corporate and other:
Finished goods	746	546
Ground equipment manufacturing:
Ground equipment manufacturing:
Raw materials	4,661	4,589
Work in process	1,283	153
Finished goods	5,032	6,976
Corporate and other:
Raw materials	4,661	4,589
Finished goods	5,032	6,976
Corporate and other
Ground equipment manufacturing:
Raw materials	809	794
Finished goods	725	726
Corporate and other:
Raw materials	809	794
Finished goods	$ 725	$ 726

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