Revenue - Schedule of Net Revenues Disaggregated by the Capabilities of the Underlying Products and Technologies (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2025	Sep. 27, 2024	Sep. 26, 2025	Sep. 27, 2024
Disaggregation of Revenue [Line Items]
Total Revenue	$ 247,836	$ 244,405	$ 722,251	$ 711,185
Automation Enabling Technologies
Disaggregation of Revenue [Line Items]
Total Revenue	125,316	128,704	370,154	362,822
Medical Solutions
Disaggregation of Revenue [Line Items]
Total Revenue	122,520	115,701	352,097	348,363
Precision Manufacturing \| Automation Enabling Technologies
Disaggregation of Revenue [Line Items]
Total Revenue	45,180	48,677	133,596	152,179
Robotics and Automation \| Automation Enabling Technologies
Disaggregation of Revenue [Line Items]
Total Revenue	80,136	80,027	236,558	210,643
Precision Medicine \| Medical Solutions
Disaggregation of Revenue [Line Items]
Total Revenue	60,848	63,088	174,021	195,399
Advanced Surgery \| Medical Solutions
Disaggregation of Revenue [Line Items]
Total Revenue	$ 61,672	$ 52,613	$ 178,076	$ 152,964

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.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

NOVANTA INC 10-Q