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Discontinued Operations - Operating Results of the Disposal Group (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of intangible assets	$ 0	$ 0	$ 0	$ (6,995)
Tripwire | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	0	26,117	12,067	53,815
Cost of sales	0	(5,936)	(3,256)	(11,473)
Gross profit	0	20,181	8,811	42,342
Selling, general and administrative expenses	0	(11,984)	(8,185)	(22,803)
Research and development expenses	0	(8,659)	(5,528)	(17,547)
Amortization of intangible assets	0	(1,930)	(638)	(3,884)
Loss before taxes	$ 0	$ (2,392)	$ (5,540)	$ (1,892)

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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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