Note 2 - Business Segment And Major Customers Information (Detail) - Revenue by Geographic Region (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Jun. 30, 2008
Net Sales	$ 268,402	$ 293,501	$ 254,402	$ 233,799	$ 305,286
United States [Member]
Net Sales	266,590	289,827	249,897
Canada [Member]
Net Sales	$ 1,812	$ 3,674	$ 4,505

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration