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Nature of Operations and Summary of Significant Accounting Policies - Revenue Recognition Method and Disaggregation of Revenue by Product Type and Geography (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 01, 2023	Apr. 02, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 229,758	$ 226,480
North America
Disaggregation of Revenue [Line Items]
Revenue	132,453	124,336
Europe
Disaggregation of Revenue [Line Items]
Revenue	54,157	58,366
Asia
Disaggregation of Revenue [Line Items]
Revenue	27,770	31,987
Rest of world
Disaggregation of Revenue [Line Items]
Revenue	15,378	11,791
Parts and consumables
Disaggregation of Revenue [Line Items]
Revenue	151,563	146,244
Capital
Disaggregation of Revenue [Line Items]
Revenue	78,195	80,236
Point in Time
Disaggregation of Revenue [Line Items]
Revenue	204,239	203,311
Over Time
Disaggregation of Revenue [Line Items]
Revenue	$ 25,519	$ 23,169

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-Publisher FASB
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