Note 16 - Restructuring - Summary of Severance, Restructuring, and Related Charges by Initiative (Details) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Involuntary Employee Severance And Benefit Costs [Member] | Current Year Restructuring Initiatives [Member]
Restructuring charges	$ 1,046,000	$ 847,000	$ 1,528,000
Involuntary Employee Severance And Benefit Costs [Member] | Prior Year Initiatives [Member]
Restructuring charges	96,000	11,000	72,000
Involuntary Employee Severance And Benefit Costs [Member]
Restructuring charges	1,142,000	858,000	1,600,000
Other Restructuring [Member] | Current Year Restructuring Initiatives [Member]
Restructuring charges	893,000	2,319,000	8,477,000
Other Restructuring [Member] | Prior Year Initiatives [Member]
Restructuring charges	2,197,000	266,000	0
Other Restructuring [Member]
Restructuring charges	3,090,000	2,585,000	8,477,000
Current Year Restructuring Initiatives [Member]
Restructuring charges	1,939,000	3,166,000	10,005,000
Prior Year Initiatives [Member]
Restructuring charges	2,293,000	277,000	72,000
Restructuring charges	$ 4,232,000	$ 3,443,000	$ 10,077,000