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Goodwill and Other Identifiable Intangible Assets, Net (Additional Information) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Sep. 30, 2018
Goodwill [Line Items]
Goodwill	$ 153,952	$ 154,535	[1]
Market Capitalization	356,600
IoT Products & Services Segment
Goodwill [Line Items]
Goodwill	103,954	104,358
IoT Solutions Segment
Goodwill [Line Items]
Goodwill	$ 49,998	$ 50,177
Measurement Input, Control Premium [Member] | Minimum
Goodwill [Line Items]
Goodwill Valuation Implied Control Premium	13.30%
Measurement Input, Control Premium [Member] | Maximum
Goodwill [Line Items]
Goodwill Valuation Implied Control Premium	20.30%
[1] Prior period information has been restated for the adoption of ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which we adopted on October 1, 2018.

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
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