Note 15 - Restructuring - Summary of Severance, Restructuring, and Related Charges by Initiative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Restructuring Charges, Total	$ 7,594	$ 5,825	$ 4,232
Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	2,892	1,863	1,142
Other Restructuring [Member]
Restructuring Charges, Total	4,702	3,962	3,090
Current Year Restructuring Initiatives [Member]
Restructuring Charges, Total	6,493	5,453	1,939
Current Year Restructuring Initiatives [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	2,668	1,863	1,046
Current Year Restructuring Initiatives [Member] | Other Restructuring [Member]
Restructuring Charges, Total	3,825	3,590	893
Prior Year Initiatives [Member]
Restructuring Charges, Total	1,101	372	2,293
Prior Year Initiatives [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	224		96
Prior Year Initiatives [Member] | Other Restructuring [Member]
Restructuring Charges, Total	$ 877	$ 372	$ 2,197