XML 17 R1.htm IDEA: XBRL DOCUMENT v3.25.2
Document and Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2025
Aug. 18, 2025
Dec. 31, 2024
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jun. 30, 2025    
Document Transition Report false    
Entity File Number 000-23125    
Entity Registrant Name OSI SYSTEMS, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 33-0238801    
Entity Address, Address Line One 12525 Chadron Avenue    
Entity Address, City or Town Hawthorne    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90250    
City Area Code 310    
Local Phone Number 978-0516    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol OSIS    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   16,825,913  
Entity Central Index Key 0001039065    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --06-30    
Amendment Flag false    
Entity Public Float     $ 2,668,702,265
Auditor Firm ID 248    
Auditor Name GRANT THORNTON LLP    
Auditor Location Los Angeles, California    
Documents Incorporated by Reference [Text Block]

Portions of the definitive proxy statement relating to the 2025 annual meeting of stockholders are incorporated by reference into Part III. The proxy statement will be filed by the registrant with the Securities and Exchange Commission not later than 120 days after the end of the registrant’s fiscal year.