Annual report pursuant to Section 13 and 15(d)

Note 2 - Acquisitions (Details Textual)

Note 2 - Acquisitions (Details Textual)								12 Months Ended
Note 2 - Acquisitions (Details Textual)	Mar. 14, 2016 USD ($)	Jul. 08, 2015 USD ($)	Nov. 03, 2014 USD ($)	Jul. 31, 2014 USD ($)	Jul. 02, 2014 USD ($)	Apr. 30, 2014 USD ($)	Jul. 22, 2013 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Zephyrus [Member] \| Developed Technology Rights [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 7,400,000
Zephyrus [Member] \| Instruments Sales Contingency [Member]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	$ 3,500,000							$ 3,500,000
Business Combination, Contingent Consideration, Liability, Number of Instruments Sold	10
Business Combination, Contingent Consideration, Liability, Anniversary of Closing Date	3 years
Business Combination, Contingent Consideration, Liability, Cumulative Sales	$ 3,000,000
Business Combination, Contingent Consideration, Liability, Number of Years Within Closing Date	4 years 182 days
Zephyrus [Member]
Payments to Acquire Businesses, Gross	$ 8,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	7,000,000
Business Combination, Contingent Consideration, Liability	$ 3,500,000
Payments to Acquire Businesses, Net of Cash Acquired								8,030,000
Cliniqa [Member] \| Developed Technology Rights [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 18,000,000
Finite-Lived Intangible Asset, Useful Life		14 years
Cliniqa [Member] \| Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 27,000,000
Finite-Lived Intangible Asset, Useful Life		13 years
Cliniqa [Member] \| Trademarks and Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		$ 1,100,000
Finite-Lived Intangible Asset, Useful Life		4 years
Cliniqa [Member]
Payments to Acquire Businesses, Net of Cash Acquired		$ 83,000,000						82,888,000
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, Gross			$ 62,000,000						62,000,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High									35,000,000
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%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability			$ 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
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				$ 39,200,000
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				$ 36,100,000
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				$ 101,600,000
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] \| 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
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]
Payments to Acquire Businesses, Net of Cash Acquired								60,122,000
Business Combination, Acquisition Related Costs					$ 100,000
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] \| 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] \| 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]
Payments to Acquire Businesses, Gross										$ 6,000,000
Payments to Acquire Businesses, Net of Cash Acquired						$ 6,000,000		6,031,000
Business Combination, Acquisition Related Costs						$ 400,000
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] \| 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] \| 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] \| 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
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								16 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
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
Payments to Acquire Businesses, Net of Cash Acquired								$ 91,423,000	420,102,000	109,180,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain								$ 0	$ 8,300,000	$ 0