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Property and equipment (Tables) | 12 Months Ended
--- | ---
Jun. 30, 2012
Property and Equipment | Property and equipment consist of (in thousands):
|  | June 30, |
|  | 2012 |  |  | 2011 |
Cost: |  |  |  |  |  |  |  |
Land |  | $ | 7,473 |  |  | $ | 7,497 |
Buildings and improvements |  |  | 123,257 |  |  |  | 119,833 |
Laboratory equipment |  |  | 31,658 |  |  |  | 30,315 |
Office and computer equipment |  |  | 5,710 |  |  |  | 5,407 |
|  |  | 168,098 |  |  |  | 163,052 |
Accumulated depreciation and amortization |  |  | (74,310 | ) |  |  | (67,654 | )
|  | $ | 93,788 |  |  | $ | 95,398 |

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- Definition Tabular disclosure of property plant and equipment, in total and by type. + References No definition available. + Details
Name: | tech_ScheduleOfPropertyPlantAndEquipmentTableTextBlock
Namespace Prefix: | tech_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration