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Goodwill and other Identifiable Intangible Assets (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Goodwill [Line Items]
Goodwill	$ 342,774	$ 341,593
Foreign currency translation adjustment	(111)	1,181
Goodwill	392,872	342,774
Acquisition	50,209
IoT Products & Services
Goodwill [Line Items]
Goodwill	175,500
IoT Solutions
Goodwill [Line Items]
Goodwill	167,600
IoT Solutions
Goodwill [Line Items]
Goodwill	167,681	167,636
Foreign currency translation adjustment	(284)	45
Goodwill	217,606	167,681
Acquisition	50,209
IoT Products & Services
Goodwill [Line Items]
Goodwill	175,093	173,957
Foreign currency translation adjustment	173	1,136
Goodwill	175,266	$ 175,093
Acquisition	$ 0

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