Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information - USD ($)
$ in Billions
12 Months Ended
Jun. 30, 2019
Aug. 26, 2019
Dec. 31, 2018
Document Information [Line Items]      
Entity Registrant Name BIO-TECHNE Corp    
Entity Central Index Key 0000842023    
Trading Symbol tech    
Current Fiscal Year End Date --06-30    
Entity Filer Category Large Accelerated Filer    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer Yes    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Common Stock, Shares Outstanding (in shares)   38,063,504  
Entity Public Float     $ 5.5
Entity Shell Company false    
Document Type 10-K    
Document Period End Date Jun. 30, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
Title of 12(b) Security Common Stock