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Note 10 - Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Note 10 - Income Taxes (Details) [Line Items]      
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount $ 0.4   $ 0.2
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount 0.3 0.4  
Lapse of applicable statute of limitations 1.0 1.3 0.3
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount 2.8 4.5  
Benefit as part of deferred tax provision related to a change in estimated state rate used to calculate deferred balances     0.3
Valuation Allowances and Reserves, Period Increase (Decrease) (0.3) 0.6 (0.2)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount 2.0 0.7  
Undistributed Earnings of Foreign Subsidiaries 102.8    
Unrecognized Tax Benefits, Interest on Income Taxes Accrued 0.1 0.1  
Indefinite Lived [Member] | Foreign Tax Authority [Member]
      
Note 10 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards 1.3    
Ten Years [Member] | Foreign Tax Authority [Member]
      
Note 10 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards 0.4    
Five Years [Member] | Foreign Tax Authority [Member]
      
Note 10 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards 0.9    
State and Local Jurisdiction [Member]
      
Note 10 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards 34.3    
Tax Credit Carryforward, Amount 1.7    
Foreign Tax Authority [Member]
      
Note 10 - Income Taxes (Details) [Line Items]      
Operating Loss Carryforwards $ 2.6