Acquisitions - Narrative (Details) - USD ($) $ in Thousands			12 Months Ended
	Aug. 09, 2022	Apr. 29, 2022	Sep. 30, 2023	Sep. 30, 2022
Business Acquisition [Line Items]
Transaction costs			$ 4,300	$ 6,100
L3Harris Technologies, Inc.
Business Acquisition [Line Items]
Total purchase price		$ 5,000
Payments to acquire business		$ 4,900
Revenue			31,100	10,100
Net loss			4,200	500
Adjustment, intangibles			2,300
Reduction to contract assets			600
Intangible assets acquired			2,740
KVH Industries, Inc
Business Acquisition [Line Items]
Payments to acquire business	$ 55,000
Revenue			35,900	6,100
Net loss			14,800	$ 700
Impairment and write off of goodwill	$ 15,900
Adjustments to preliminary purchase price allocation			3,300
Inventory reduction			3,300
Intangible assets acquired			13,470
KVH Industries, Inc | In Process Research and Development
Business Acquisition [Line Items]
Intangible assets acquired			5,900
KVH Industries, Inc | Trademarks
Business Acquisition [Line Items]
Intangible assets acquired			2,200
KVH Industries, Inc | Customer relationships
Business Acquisition [Line Items]
Intangible assets acquired			3,000
KVH Industries, Inc | Technology
Business Acquisition [Line Items]
Intangible assets acquired			$ 2,400