Note 3 - Business Segment Information (Details) - Revenue by Geographic Region (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Note 3 - Business Segment Information (Details) - Revenue by Geographic Region [Line Items]
Net Sales	$ 80,486	[1]	$ 74,719	[1]
United States [Member]
Note 3 - Business Segment Information (Details) - Revenue by Geographic Region [Line Items]
Net Sales	79,673	[1]	74,689	[1]
Canada [Member]
Note 3 - Business Segment Information (Details) - Revenue by Geographic Region [Line Items]
Net Sales	$ 813	[1]	$ 30	[1]

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