Note 6 - Goodwill - Changes to Goodwill (Details) $ in Thousands	9 Months Ended
Mar. 31, 2017 USD ($)
Beginning balance, goodwill	$ 157,354
Acquisition	81,437
Translation Adjustment	(1,040)
Ending balance, goodwill	237,751
Food Service Equipment Group [Member]
Beginning balance, goodwill	56,804
Acquisition	5,452
Translation Adjustment
Ending balance, goodwill	62,256
Engraving Group [Member]
Beginning balance, goodwill	19,935
Acquisition
Translation Adjustment	(59)
Ending balance, goodwill	19,876
Engineering Technologies Group [Member]
Beginning balance, goodwill	44,321
Acquisition
Translation Adjustment	(534)
Ending balance, goodwill	43,787
Electronics Products Group [Member]
Beginning balance, goodwill	33,235
Acquisition	75,985
Translation Adjustment	(447)
Ending balance, goodwill	108,773
Hydraulics Products Group [Member]
Beginning balance, goodwill	3,059
Acquisition
Translation Adjustment
Ending balance, goodwill	$ 3,059

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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