Basis of presentation and general information.

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Business relationship agreement period.

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Customer contract period.

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The amount of expense recognized in the current period for the periodic realization of capitalized fees that were paid to salespeople, distributors, brokers, and agents at the time of the conclusion of the sale. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

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 of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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- Definition

The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Basis of Presentation and General Information (Narrative) (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jan. 01, 2021	Jun. 26, 2020	Jul. 01, 2022	Jul. 02, 2021	Dec. 31, 2021
Basis Of Presentation And General Information [Line Items]
Revenue recognized as a result of change in contract liability	$ 3,400,000	$ 2,000,000.0			$ 10,300,000	$ 6,000,000.0
Deferred commissions			$ 1,500,000				$ 1,600,000
Commissions expense	400,000	$ 300,000			700,000	$ 500,000
Impairment loss recognized to capitalization of deferred commission	0				$ 0
Restructuring costs	$ (11,000)
COVID-19 [Member]
Basis Of Presentation And General Information [Line Items]
Global workforce reduced, percentage				10.00%
Restructuring costs				$ 5,000,000.0
Asset impairment charges			$ 3,900,000
Minimum [Member]
Basis Of Presentation And General Information [Line Items]
Business relationship agreement period					6 months
Maximum [Member]
Basis Of Presentation And General Information [Line Items]
Business relationship agreement period					12 months
Customer contract period					12 months