Goodwill and other Identifiable Intangible Assets (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Goodwill [Line Items]
Goodwill	$ 340,477	$ 225,522
Acquisition		118,635
Goodwill, Purchase Accounting Adjustments		(445)
Foreign currency translation adjustment	1,116	(3,235)
Goodwill	341,593	340,477
IoT Solutions
Goodwill [Line Items]
Goodwill	167,546	50,342
Acquisition		118,635
Goodwill, Purchase Accounting Adjustments		(631)
Foreign currency translation adjustment	90	(800)
Goodwill	167,636	167,546
IoT Products and Services
Goodwill [Line Items]
Goodwill	172,931	175,180
Acquisition		0
Goodwill, Purchase Accounting Adjustments		186
Foreign currency translation adjustment	1,026	(2,435)
Goodwill	$ 173,957	$ 172,931