Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Acquisitions (Details Textual)

v2.4.1.9
Note 2 - Acquisitions (Details Textual) (USD $)
9 Months Ended 0 Months Ended
Mar. 31, 2015
Nov. 03, 2014
Jun. 30, 2014
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures     $ 10,446,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain 8,300,000us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain    
CyVek, Inc. [Member]      
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures   10,000,000us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Noncontrolling Interest, Ownership Percentage by Parent   19.90%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Payments to Acquire Businesses, Gross   62,000,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability 35,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
35,000,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contingent Liability, Percentage   50.00%tech_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiabilityPercentage
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Business Combination, Milestone Payment Threshold   100,000,000tech_BusinessCombinationMilestonePaymentThreshold
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Business Combination, Liabilities Arising from Contingencies, Amount Recognized 35,000,000us-gaap_BusinessCombinationLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
   
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain   $ 8,300,000us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementGain
/ us-gaap_BusinessAcquisitionAxis
= tech_CyvekIncMember
 
Developed Technology Rights [Member]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 11 years 109 days    
Trade Names [Member]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 19 years 182 days    
Customer Relationships [Member]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 14 years 292 days    
Noncompete Agreements [Member]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 3 years