Note 16 - Acquisition - Pro Forma Financial Information (Details) - USD ($) $ in Thousands	9 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Net Sales	$ 283,122	$ 287,176
Gross Profit	73,802	81,067
Operating Income	$ 6,230	$ 14,694

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionsProFormaRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration