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Nature of Operations and Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022 USD ($)	Jul. 03, 2021 USD ($)	Jul. 02, 2022 USD ($) segment	Jul. 03, 2021 USD ($)	Jan. 01, 2022 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Number of reportable operating segments | segment			3
Bank guarantees, expiration period (in months)			12 months
Gross intangible assets	$ 340,947		$ 340,947		$ 340,947
Accumulated amortization	146,117		146,117		135,327
Revenue recognized	13,424	$ 10,070	47,901	$ 27,210
Revenue, remaining performance obligation, amount	61,659		$ 61,659
Banker's acceptance drafts, maturity period (in months)			6 months
Banker's acceptance drafts	$ 7,107		$ 7,107		$ 8,049
Certain Capital Contracts
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Lead time for for certain capital contracts (up to) (in months)			24 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-03
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, percent	52.00%		52.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months		12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-02
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, percent	48.00%		48.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period

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