Note 10 - Employee Benefit Plans (Detail) - Components of net periodic pension cost (Pension Plans, Defined Benefit [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Pension Plans, Defined Benefit [Member]
Service cost	$ 118	$ 94	$ 236	$ 188
Interest cost	210	225	420	450
Expected return on plan assets	(240)	(264)	(480)	(528)
Amortization of the unrecognized loss	203	80	406	160
Net periodic benefit cost	$ 291	$ 135	$ 582	$ 270