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Segment Information (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2022 USD ($) segment geographic_region	Dec. 31, 2021 USD ($)	Sep. 30, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	1
Number of geographic regions | geographic_region	3
Net revenues	$ 700,378	$ 687,100
Long-lived assets	$ 167,709		$ 168,182
Net Revenue | Geographic Concentration | Ingram Micro, Inc.
Segment Reporting Information [Line Items]
Concentration risk percentage	17.60%	18.70%
Net Revenue | Geographic Concentration | Synnex Corporation
Segment Reporting Information [Line Items]
Concentration risk percentage	13.60%	12.20%
Product
Segment Reporting Information [Line Items]
Net revenues	$ 340,558	$ 343,149
Product | Systems [Member]
Segment Reporting Information [Line Items]
Net revenues	173,032	180,157
Product | Software [Member]
Segment Reporting Information [Line Items]
Net revenues	167,526	162,992
United States
Segment Reporting Information [Line Items]
Net revenues	375,748	381,289
Long-lived assets	129,281		134,699
Other Americas
Segment Reporting Information [Line Items]
Net revenues	26,410	21,702
Total Americas
Segment Reporting Information [Line Items]
Net revenues	402,158	402,991
EMEA
Segment Reporting Information [Line Items]
Net revenues	184,115	162,062
Long-lived assets	21,416		17,376
Asia Pacific
Segment Reporting Information [Line Items]
Net revenues	114,105	$ 122,047
Other countries
Segment Reporting Information [Line Items]
Long-lived assets	$ 17,012		$ 16,107

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