Note 2 - Business Segment Information (Details) - Revenue by Geographic Region (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2010	Jun. 30, 2009
Note 2 - Business Segment Information (Details) - Revenue by Geographic Region [Line Items]
Net Sales	$ 280,790	[1]	$ 268,402	[1]	$ 293,501	[1]	$ 254,402	$ 233,799
United States [Member]
Note 2 - Business Segment Information (Details) - Revenue by Geographic Region [Line Items]
Net Sales	279,818	[1]	266,590	[1]	289,827	[1]
Canada [Member]
Note 2 - Business Segment Information (Details) - Revenue by Geographic Region [Line Items]
Net Sales	$ 972	[1]	$ 1,812	[1]	$ 3,674	[1]

[1] Net sales are attributed to geographic areas based upon the location of the operation making the sale.