Note 2 - Acquisitions - Condensed Consolidated Financial Statements by Acquisition (Details) (USD $)	3 Months Ended	6 Months Ended
	Dec. 31, 2014	Dec. 31, 2014
Net sales	$ 111,948,000us-gaap_SalesRevenueNet	$ 220,425,000us-gaap_SalesRevenueNet
Net earnings	33,209,000us-gaap_NetIncomeLoss	57,116,000us-gaap_NetIncomeLoss
Amortization expense	6,858,000us-gaap_AmortizationOfIntangibleAssets	12,586,000us-gaap_AmortizationOfIntangibleAssets
Cost recognized on sale of acquired inventory	1,188,000	4,355,000
CyVek, Inc. [Member]
Net sales	200,000	200,000
Net earnings	(1,023,000)	(1,023,000)
Amortization expense	251,000	251,000
Cost recognized on sale of acquired inventory	64,000	64,000
Novus Holdings, LLC [Member]
Net sales	5,112,000	10,593,000
Net earnings	(155,000)	(354,000)
Amortization expense	429,000	949,000
Cost recognized on sale of acquired inventory	512,000	1,059,000
Protein Simple [Member]
Net sales	20,099,000	33,013,000
Net earnings	595,000	(1,208,000)
Amortization expense	3,194,000	5,374,000
Cost recognized on sale of acquired inventory	$ 0	$ 1,444,000

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