v2.4.0.6
Document and Entity Information
3 Months Ended
Sep. 30, 2012
Oct. 23, 2012
Document and Entity Information    
Entity Registrant Name OSI SYSTEMS INC  
Entity Central Index Key 0001039065  
Document Type 10-Q  
Document Period End Date Sep. 30, 2012  
Amendment Flag false  
Current Fiscal Year End Date --06-30  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   19,990,702
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1