Note 14 - Employee Benefit Plans (Detail) - Components of Net Periodic Benefit Costs (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Service cost for benefits earned	$ 116	$ 117	$ 348	$ 351
Interest cost on benefit obligation	320	316	960	948
Amortization of unrecognized prior service cost	(129)	(131)	(387)	(393)
Actuarial loss	93	96	279	288
Total cost	$ 400	$ 398	$ 1,200	$ 1,194