Note 15 - Geographic Sales and Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
UNITED STATES
Net Sales			$ 147,589	$ 143,803	$ 133,129
Long-lived assets	$ 58,185	$ 61,930	58,185	61,930	77,198
BRAZIL
Net Sales			70,629	80,794	86,122
Long-lived assets	8,154	12,699	8,154	12,699	11,044
UNITED KINGDOM
Net Sales			29,789	31,717	29,260
Long-lived assets	5,211	5,779	5,211	5,779	4,527
CHINA
Net Sales			22,385	22,663	17,882
Long-lived assets	3,347	3,558	3,347	3,558	3,460
North America Other than US [Member]
Net Sales			11,555	12,062	12,344
Long-lived assets	360	387	360	387	449
Intersegment Eliminations [Member]
Net Sales			(40,397)	(43,905)	(34,940)
Long-lived assets	3,602	188	3,602	188	168
Net Sales	61,441	69,525	241,550	247,134	243,797
Long-lived assets	$ 78,859	$ 84,541	$ 78,859	$ 84,541	$ 96,846