Note 6 - Goodwill And Other Intangible Assets (Detail) - Goodwill (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Net Goodwill	$ 12,921	$ 10,766
Lighting Segment [Member]
Goodwill	34,913	34,913
Accumulated impairment Losses	(34,778)	(34,778)
Net Goodwill	135	135
Graphics Segment [Member]
Goodwill	24,959	24,959
Accumulated impairment Losses	(24,959)	(24,701)
Net Goodwill		258
Impairment losses	(258)
Electronics Components Segment [Member]
Goodwill	11,621	9,208
Net Goodwill	11,621	9,208
Goodwill acquired during year	2,413
All Other Category [Member]
Goodwill	6,850	6,850
Accumulated impairment Losses	(5,685)	(5,685)
Net Goodwill	1,165	1,165
Total [Member]
Goodwill	78,343	75,930
Accumulated impairment Losses	(65,422)	(65,164)
Net Goodwill	12,921	10,766
Goodwill acquired during year	2,413
Impairment losses	$ (258)