For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

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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.

+ References

No definition available.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of loss from impairment of right-of-use asset from operating lease.

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-Publisher FASB
-Name Accounting Standards Codification
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Fair Value Measurements (Details) - USD ($)	3 Months Ended	6 Months Ended
Fair Value Measurements (Details) - USD ($)	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability		$ 0		$ 0
Operating lease asset impairment charges	$ 2,534,000	0	$ 2,534,000
Restructuring Charges
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Operating lease asset impairment charges	$ 2,534,000
GVi Ventures, Inc. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration liability, lower range		0
Contingent consideration liability, upper range		$ 2,500,000