Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information
6 Months Ended
Dec. 31, 2012
Feb. 01, 2013
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Dec. 31, 2012  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q2  
Trading Symbol TECH  
Entity Registrant Name TECHNE CORP /MN/  
Entity Central Index Key 0000842023  
Current Fiscal Year End Date --06-30  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   36,842,346