Discontinued Operations - Operating Results of the Disposal Group (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 02, 2022	Oct. 03, 2021	Oct. 02, 2022	Oct. 03, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of intangible assets	$ 0	$ (2,288)	$ 0	$ (9,283)
Tripwire \| Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0	26,074	12,067	79,889
Cost of sales	0	(6,175)	(3,256)	(17,648)
Gross profit	0	19,899	8,811	62,241
Selling, general and administrative expenses	0	(12,338)	(8,185)	(35,141)
Research and development expenses	0	(9,216)	(5,528)	(26,763)
Amortization of intangible assets	0	(1,916)	(638)	(5,800)
Loss before taxes	$ 0	$ (3,571)	$ (5,540)	$ (5,463)

Disposal Group, Including Discontinued Operation, Research and Development Expense

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of gross profit attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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