Note 2 - Acquisitions - Condensed Consolidated Financial Statements by Acquisition (Details) (USD $)	3 Months Ended	9 Months Ended
	Mar. 31, 2015	Mar. 31, 2015
Net sales	$ 114,158,000us-gaap_SalesRevenueNet	$ 334,583,000us-gaap_SalesRevenueNet
Net earnings	24,290,000us-gaap_NetIncomeLoss	81,406,000us-gaap_NetIncomeLoss
Amortization expense	6,751,000us-gaap_AmortizationOfIntangibleAssets	19,338,000us-gaap_AmortizationOfIntangibleAssets
Cost recognized on sale of acquired inventory	897,000	5,252,000
Novus Holdings, LLC [Member]
Net sales	4,845,000	15,438,000
Net earnings	(76,000)	(430,000)
Amortization expense	474,000	1,423,000
Cost recognized on sale of acquired inventory	406,000	1,465,000
Protein Simple [Member]
Net sales	20,414,000	53,427,000
Net earnings	(4,545,000)	(5,753,000)
Amortization expense	2,951,000	8,325,000
Cost recognized on sale of acquired inventory		1,444,000
CyVek, Inc. [Member]
Net sales	192,000	392,000
Net earnings	(2,601,000)	(3,624,000)
Amortization expense	374,000	625,000
Cost recognized on sale of acquired inventory		$ 64,000

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.