Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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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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Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022	Mar. 31, 2021	Sep. 30, 2020
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Payment for contingent consideration			$ 0	$ 5,772
Goodwill	$ 341,708	$ 225,522	341,708
Fair Value, Inputs, Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Contingent consideration fair value	6,200	6,200	6,200	$ 5,900	$ 6,200	$ 8,000	$ 4,228
Contingent Consideration \| Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Contingent consideration fair value	6,200	6,200	6,200
Opengear \| Contingent Consideration
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Payment for contingent consideration	10,000
Estimate of Fair Value Measurement \| Contingent Consideration \| Fair Value, Measurements, Recurring
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Contingent consideration fair value	6,200	6,200	6,200
Estimate of Fair Value Measurement \| Haxiot \| Contingent Consideration \| Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Payment for contingent consideration		$ 2,100
Contingent consideration fair value	5,900		5,900
Estimate of Fair Value Measurement \| Ctek, Inc. ("Ctek") \| Contingent Consideration \| Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]
Contingent consideration fair value	$ 300		$ 300