Note 15 - Share-Based Payments (Details) - Information about our stock option plans (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Note 15 - Share-Based Payments (Details) - Information about our stock option plans [Line Items]
Outstanding at beginning of year	822,846	1,096,793	1,322,803
Outstanding at beginning of year (in Dollars per share)	$ 10.55	$ 8.29	$ 8.79
Granted at market	87,916	97,981	255,439
Granted at market (in Dollars per share)	$ 17.13	$ 18.37	$ 6.68
Exercised	(308,331)	(363,054)	(424,041)
Exercised (in Dollars per share)	$ 8.12	$ 8.41	$ 9.46
Forfeited	(2,688)	(8,874)	(7,408)
Forfeited (in Dollars per share)	$ 21.10	$ 17.34	$ 5.53
Expired			(50,000)
Expired (in Dollars per share)			$ 22.65
Outstanding at end of year	599,743	822,846	1,096,793
Outstanding at end of year (in Dollars per share)	$ 14.51	$ 10.55	$ 8.29
Exercisable at end of year	380,633	563,460	733,009
Exercisable at end of year (in Dollars per share)	$ 9.80	$ 7.58	$ 8.19
Granted At Market [Member]
Note 15 - Share-Based Payments (Details) - Information about our stock option plans [Line Items]
Granted at market	87,916	97,981	255,439
Granted at market (in Dollars per share)	$ 29.39	$ 28.49	$ 10.39