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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		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Disaggregation of Revenue [Line Items]
Revenue	$ 274,765	$ 245,053	$ 523,740	$ 474,811
North America
Disaggregation of Revenue [Line Items]
Revenue	172,543	135,385	329,034	267,838
Europe
Disaggregation of Revenue [Line Items]
Revenue	63,193	60,625	118,980	114,782
Asia
Disaggregation of Revenue [Line Items]
Revenue	24,970	32,867	47,524	60,637
Rest of world
Disaggregation of Revenue [Line Items]
Revenue	14,059	16,176	28,202	31,554
Parts and consumables
Disaggregation of Revenue [Line Items]
Revenue	172,745	153,082	343,875	304,645
Capital
Disaggregation of Revenue [Line Items]
Revenue	102,020	91,971	179,865	170,166
Point in Time
Disaggregation of Revenue [Line Items]
Revenue	245,735	222,235	462,228	426,474
Over Time
Disaggregation of Revenue [Line Items]
Revenue	$ 29,030	$ 22,818	$ 61,512	$ 48,337

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