Note 15 - Restructuring - Summary of Activity in Reserves Related to Restructuring Initiatives (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Current Year Restructuring Initiatives [Member]
Restructuring liabilities
Additions and adjustments	5,987
Payments	(5,800)
Restructuring liabilities	187
Current Year Restructuring Initiatives [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring liabilities
Additions and adjustments	2,838
Payments	(2,676)
Restructuring liabilities	162
Current Year Restructuring Initiatives [Member] | Other Restructuring [Member]
Restructuring liabilities
Additions and adjustments	3,149
Payments	(3,124)
Restructuring liabilities	25
2017 Restructuring Initiatives [Member]
Restructuring liabilities	1,307
Additions and adjustments	1,576
Payments	(2,590)
Restructuring liabilities	293	1,307
2017 Restructuring Initiatives [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring liabilities	506
Additions and adjustments	532
Payments	(745)
Restructuring liabilities	293	506
2017 Restructuring Initiatives [Member] | Other Restructuring [Member]
Restructuring liabilities	801
Additions and adjustments	1,044
Payments	(1,845)
Restructuring liabilities		801
Prior Year Initiatives [Member]
Restructuring liabilities	1,744	330
Additions and adjustments		5,669
Payments		(4,255)
Restructuring liabilities		1,744
Prior Year Initiatives [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring liabilities	506	74
Additions and adjustments		1,927
Payments		(1,495)
Restructuring liabilities		506
Prior Year Initiatives [Member] | Other Restructuring [Member]
Restructuring liabilities	$ 1,238	256
Additions and adjustments		3,742
Payments		(2,760)
Restructuring liabilities		$ 1,238