Goodwill and Other Identifiable Intangible Assets, Net (Goodwill Rollforward) (Details) $ in Thousands	6 Months Ended
Mar. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 225,522
Acquisition	116,890
Adjustment	(515)
Foreign currency translation adjustment	(252)
Ending balance	341,645
IoT Products & Services Segment
Goodwill [Roll Forward]
Beginning balance	175,180
Acquisition	0
Adjustment	(515)
Foreign currency translation adjustment	(413)
Ending balance	174,252
IoT Solutions Segment
Goodwill [Roll Forward]
Beginning balance	50,342
Acquisition	116,890
Adjustment	0
Foreign currency translation adjustment	161
Ending balance	$ 167,393

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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