v3.25.4
Document and Entity Information - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2023
Feb. 16, 2026
Jun. 27, 2025
Document Information [Line Items]        
Document Type 10-K      
Amendment Flag false      
Document Period End Date Dec. 31, 2025      
Document Fiscal Year Focus 2025      
Document Fiscal Period Focus FY      
Entity Registrant Name NOVANTA INC.      
Entity Central Index Key 0001076930      
Entity Current Reporting Status Yes      
Entity Voluntary Filers No      
Entity Interactive Data Current Yes      
Current Fiscal Year End Date --12-31      
Entity Filer Category Large Accelerated Filer      
Entity Well-known Seasoned Issuer Yes      
Entity Public Float       $ 3,496,559,430
Entity Common Stock, Shares Outstanding     35,683,769  
Entity Shell Company false      
Entity Small Business false      
Entity Emerging Growth Company false      
Entity File Number 001-35083      
Entity Incorporation, State or Country Code A3      
Entity Tax Identification Number 98-0110412      
Entity Address, Address Line One 125 Middlesex Turnpike      
Entity Address, City or Town Bedford      
Entity Address, State or Province MA      
Entity Address, Country US      
Entity Address, Postal Zip Code 01730      
City Area Code 781      
Local Phone Number 266-5700      
Document Annual Report true      
Document Transition Report false      
ICFR Auditor Attestation Flag true      
Document Financial Statement Error Correction [Flag] false      
Auditor Name Deloitte & Touche LLP PricewaterhouseCoopers LLP    
Auditor Firm ID 34 238    
Auditor Location Boston, Massachusetts, United States Boston, Massachusetts, United States    
Documents Incorporated by Reference

Portions of the Registrant’s Definitive Proxy Statement for the Registrant’s Annual Meeting of Shareholders scheduled to be held on May 28, 2026 to be filed with the Securities and Exchange Commission are incorporated by reference in answers to Part III of this Annual Report on Form 10-K.

     
Auditor Opinion [Text Block]

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Novanta Inc. and subsidiaries (the “Company”) as of December 31, 2025 and 2024, the related consolidated statements of operations, comprehensive income, stockholders’ equity, and cash flows, for each of the two years in the period ended December 31, 2025, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2025, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control — Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 23, 2026, expressed an unqualified opinion on the Company's internal control over financial reporting.

Opinion on the Financial Statements

We have audited the consolidated statement of operations of Novanta Inc. and its subsidiaries (the “Company”) for the year ended December 31, 2023, including the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the results of operations and cash flows of the Company for the year ended December 31, 2023 in conformity with accounting principles generally accepted in the United States of America.

     
Common Shares        
Document Information [Line Items]        
Trading Symbol NOVT      
Title of 12(b) Security Common shares, no par value      
Security Exchange Name NASDAQ      
6.50% Tangible Equity Units        
Document Information [Line Items]        
Trading Symbol NOVTU      
Title of 12(b) Security 6.50% Tangible Equity Units      
Security Exchange Name NASDAQ