Note 15 - Restructuring - Summary of Restructuring Expenses by Segment (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
Food Service Equipment Group [Member]
Restructuring Charges, Total	4,165	1,186	2,979
Food Service Equipment Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	962	1,101	138
Food Service Equipment Group [Member] | Other Restructuring [Member]
Restructuring Charges, Total	3,203	85	2,841
Engineering Technologies Group [Member]
Restructuring Charges, Total	1,098	3,879	160
Engineering Technologies Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	224	809	160
Engineering Technologies Group [Member] | Other Restructuring [Member]
Restructuring Charges, Total	874	3,070
Engraving Group [Member]
Restructuring Charges, Total	1,688	6	92
Engraving Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	1,199	6	92
Engraving Group [Member] | Other Restructuring [Member]
Restructuring Charges, Total	489
Electronics Products Group [Member]
Restructuring Charges, Total	299	499	841
Electronics Products Group [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	215	11	624
Electronics Products Group [Member] | Other Restructuring [Member]
Restructuring Charges, Total	84	488	217
Corporate and Other [Member]
Restructuring Charges, Total	344	255	160
Corporate and Other [Member] | Involuntary Employee Severance And Benefit Costs [Member]
Restructuring Charges, Total	292	(64)	128
Corporate and Other [Member] | Other Restructuring [Member]
Restructuring Charges, Total	$ 52	$ 319	$ 32