Note 7 - Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Disclosure Text Block [Abstract]
Amortization of Intangible Assets	$ 0.6	$ 0.6	$ 2.0	$ 2.0
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	0.7		0.7
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2.4		2.4
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1.9		1.9
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1.5		1.5
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1.4		1.4
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 4.2		$ 4.2