Acquisitions - Assets Acquired and Liabilities Assumed of IN (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Tangible assets acquired:
Goodwill	$ 0	$ 17,894	$ 69
KVH Industries, Inc
Tangible assets acquired:
Accounts receivable	4,977
Inventory	7,479
Prepaid expenses and other current assets	1,483
Property, plant, and equipment	14,442
Intangible assets acquired	13,470
Goodwill	15,867
Liabilities assumed:
Accounts payable	(1,699)
Accrued expenses	(485)
Contract liabilities	(637)
Other long-term liabilities	(8)
Total purchase consideration	$ 54,889