|
Document and Entity Information (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Jun. 30, 2012
|
Aug. 24, 2012
|
Dec. 31, 2011
|
|
| Document Information [Line Items] | |||
| Document Type | 10-K | ||
| Amendment Flag | false | ||
| Document Period End Date | Jun. 30, 2012 | ||
| Document Fiscal Year Focus | 2012 | ||
| Document Fiscal Period Focus | FY | ||
| Trading Symbol | TECH | ||
| Entity Registrant Name | TECHNE CORP /MN/ | ||
| Entity Central Index Key | 0000842023 | ||
| Current Fiscal Year End Date | --06-30 | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Current Reporting Status | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Entity Common Stock, Shares Outstanding | 36,828,834 | ||
| Entity Public Float | $ 2,000,000,000 |