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SEGMENT INFORMATION - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 195,756	$ 127,203	$ 456,556	$ 440,815
Appliance and integration
Segment Reporting Information [Line Items]
Total revenue	153,685	84,760	329,464	310,681
Product sales
Segment Reporting Information [Line Items]
Total revenue	150,285	76,133	311,642	283,551
Professional services
Segment Reporting Information [Line Items]
Total revenue	3,400	8,627	17,822	27,130
SaaS and service
Segment Reporting Information [Line Items]
Total revenue	42,071	42,443	127,092	130,134
SaaS
Segment Reporting Information [Line Items]
Total revenue	14,182	12,540	41,069	37,707
Support services
Segment Reporting Information [Line Items]
Total revenue	$ 27,889	$ 29,903	$ 86,023	$ 92,427

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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