Note 10 - Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Note 10 - Income Taxes (Details) [Line Items]
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount	$ 0.5	$ 0.4
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount	0.5	0.3	0.4
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Life Insurance, Amount	1.1
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	3.8	2.8	4.5
Lapse of applicable statute of limitations		1.0	1.3
Valuation Allowances and Reserves, Period Increase (Decrease)	0.1	(0.3)	0.6
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount	1.7	2.0
Undistributed Earnings of Foreign Subsidiaries	127.9
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	0.6
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	0.1	0.1
State and Local Jurisdiction [Member]
Note 10 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	40.7
Tax Credit Carryforward, Amount	2.8
Foreign Tax Authority [Member] | Indefinite-Lived [Member]
Note 10 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	1.4
Foreign Tax Authority [Member] | Ten Years [Member]
Note 10 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	1.0
Foreign Tax Authority [Member] | Five Years [Member]
Note 10 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	0.2
Foreign Tax Authority [Member]
Note 10 - Income Taxes (Details) [Line Items]
Operating Loss Carryforwards	$ 2.6