XML 12 R1.htm IDEA: XBRL DOCUMENT v3.21.2
Document and Entity Information - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2021
Oct. 22, 2021
Document Transition Report   false  
Entity Current Reporting Status   Yes  
Entity Interactive Data Current   Yes  
Entity Shell Company   false  
City Area Code   (510)  
Document Quarterly Report   true  
Entity Incorporation, State or Country Code   DE  
Entity File Number   1-7928  
Entity Registrant Name   BIO-RAD LABORATORIES, INC.  
Entity Central Index Key   0000012208  
Current Fiscal Year End Date   --12-31  
Entity Filer Category   Large Accelerated Filer  
Document Type   10-Q  
Document Period End Date   Sep. 30, 2021  
Document Fiscal Year Focus   2021  
Document Fiscal Period Focus   Q3  
Amendment Flag   false  
Entity Small Business   false  
Entity Tax Identification Number   94-1381833  
Entity Address, Address Line One   1000 Alfred Nobel Drive,  
Entity Address, City or Town   Hercules,  
Entity Address, Country   CA  
Entity Address, Postal Zip Code   94547  
Local Phone Number   724-7000  
Entity Emerging Growth Company   false  
Litigation Settlement, Amount Awarded from Other Party $ 32.5    
Proceeds from Royalties Received $ 31.6    
Common Class A [Member]      
Title of 12(b) Security   Class A Common Stock, Par Value $0.0001 per share  
Trading Symbol   BIO  
Security Exchange Name   NYSE  
Entity Common Stock, Shares Outstanding     24,836,072
Common Class B [Member]      
Title of 12(b) Security   Class B Common Stock, Par Value $0.0001 per share  
Trading Symbol   BIOb  
Security Exchange Name   NYSE  
Entity Common Stock, Shares Outstanding     5,082,161