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Note 10 - Income Taxes (Details) - Reconciliation of effective tax rate
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Reconciliation of effective tax rate [Abstract]      
Provision at statutory tax rate 35.00% 35.00% 35.00%
State taxes 1.60% 1.20% 0.30%
Impact of Foreign Operations (6.30%) (5.60%) (3.80%)
Federal tax credits (2.20%) (2.90%) (1.70%)
Other (2.10%) (2.40%) (1.60%)
Effective income tax provision 26.00% 25.30% 28.20%