Annual report pursuant to Section 13 and 15(d)

Note 2 - Acquisitions (Details Textual)

v3.2.0.727
Note 2 - Acquisitions (Details Textual) - USD ($)
 12 Months Ended
Nov. 03, 2014
Jul. 31, 2014
Jul. 02, 2014
Apr. 30, 2014
Jul. 22, 2013
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Bionostics [Member] | Developed Technology Rights [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles         $ 14,400,000      
Finite-Lived Intangible Asset, Useful Life         9 years      
Bionostics [Member] | Trade Names [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles         $ 2,700,000      
Finite-Lived Intangible Asset, Useful Life         5 years      
Bionostics [Member] | Noncompete Agreements [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles         $ 2,400,000      
Finite-Lived Intangible Asset, Useful Life         3 years      
Bionostics [Member] | Customer Relationships [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles         $ 41,000,000      
Finite-Lived Intangible Asset, Useful Life         14 years      
Bionostics [Member] | Selling, General and Administrative Expenses [Member]                
Business Combination, Acquisition Related Costs             $ 500,000 $ 600,000
Bionostics [Member]                
Payments to Acquire Businesses, Net of Cash Acquired           $ 103,149,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability                
PrimeGene [Member] | Developed Technology Rights [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles       $ 2,200,000        
Finite-Lived Intangible Asset, Useful Life       9 years        
PrimeGene [Member] | Trade Names [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles       $ 3,000,000        
Finite-Lived Intangible Asset, Useful Life       11 years        
PrimeGene [Member] | Noncompete Agreements [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles       $ 300,000        
Finite-Lived Intangible Asset, Useful Life       3 years        
PrimeGene [Member] | Customer Relationships [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles       $ 9,100,000        
Finite-Lived Intangible Asset, Useful Life       9 years        
PrimeGene [Member] | Selling, General and Administrative Expenses [Member]                
Business Combination, Acquisition Related Costs             400,000  
PrimeGene [Member]                
Payments to Acquire Businesses, Net of Cash Acquired       $ 6,000,000   $ 6,031,000 6,000,000  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability           12,730,000    
Novus Holdings, LLC [Member] | Developed Technology Rights [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life     4 years          
Novus Holdings, LLC [Member] | Developed Technology Rights [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life     12 years          
Novus Holdings, LLC [Member] | Developed Technology Rights [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles     $ 5,000,000          
Novus Holdings, LLC [Member] | Trade Names [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles     $ 5,300,000          
Finite-Lived Intangible Asset, Useful Life     20 years          
Novus Holdings, LLC [Member] | Customer Relationships [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles     $ 14,400,000          
Finite-Lived Intangible Asset, Useful Life     15 years          
Novus Holdings, LLC [Member] | Selling, General and Administrative Expenses [Member]                
Business Combination, Acquisition Related Costs           100,000    
Novus Holdings, LLC [Member]                
Payments to Acquire Businesses, Net of Cash Acquired           $ 60,122,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability                
ProteinSimple [Member] | Developed Technology Rights [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life   9 years            
ProteinSimple [Member] | Developed Technology Rights [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life   10 years            
ProteinSimple [Member] | Developed Technology Rights [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles   $ 40,500,000            
ProteinSimple [Member] | Trade Names [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life   18 years            
ProteinSimple [Member] | Trade Names [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life   20 years            
ProteinSimple [Member] | Trade Names [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles   $ 35,800,000            
ProteinSimple [Member] | Noncompete Agreements [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles   $ 200,000            
Finite-Lived Intangible Asset, Useful Life   3 years            
ProteinSimple [Member] | Customer Relationships [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life   14 years            
ProteinSimple [Member] | Customer Relationships [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life   16 years            
ProteinSimple [Member] | Customer Relationships [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles   $ 100,600,000            
ProteinSimple [Member] | Selling, General and Administrative Expenses [Member]                
Business Combination, Acquisition Related Costs           $ 800,000    
ProteinSimple [Member]                
Payments to Acquire Businesses, Net of Cash Acquired           $ 300,053,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability                
CyVek, Inc. [Member] | Developed Technology Rights [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles $ 20,200,000              
Finite-Lived Intangible Asset, Useful Life 15 years              
CyVek, Inc. [Member] | Trade Names [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles $ 100,000              
Finite-Lived Intangible Asset, Useful Life 1 year 182 days              
CyVek, Inc. [Member] | Customer Relationships [Member]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles $ 600,000              
Finite-Lived Intangible Asset, Useful Life 10 years              
CyVek, Inc. [Member] | Selling, General and Administrative Expenses [Member]                
Business Combination, Acquisition Related Costs           $ 100,000    
CyVek, Inc. [Member]                
Payments to Acquire Businesses, Net of Cash Acquired           59,927,000    
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures $ 10,000,000              
Noncontrolling Interest, Ownership Percentage by Parent 19.90%              
Payments to Acquire Businesses, Gross $ 62,000,000         62,000,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability $ 35,000,000         35,000,000    
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Contingent Liability, Percentage 50.00%              
Business Combination, Milestone Payment Threshold $ 100,000,000              
Business Combination, Liabilities Arising from Contingencies, Amount Recognized           $ 35,000,000    
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain $ 8,300,000              
Developed Technology Rights [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life           8 years    
Developed Technology Rights [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life           15 years    
Trade Names [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life           5 years    
Trade Names [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life           20 years    
Noncompete Agreements [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life           3 years    
Noncompete Agreements [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life           5 years    
Customer Relationships [Member] | Minimum [Member]                
Finite-Lived Intangible Asset, Useful Life           8 years    
Customer Relationships [Member] | Maximum [Member]                
Finite-Lived Intangible Asset, Useful Life           16 years    
Payments to Acquire Businesses, Net of Cash Acquired           $ 420,102,000 109,180,000 0
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures           0 10,446,000  
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain           $ 8,300,000 $ 0 $ 0