Note 4 - Inventories (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013
Inventory Disclosure [Abstract]
LIFO Inventory Amount	$ 13.1		$ 12.9
Inventory Difference Using FIFO Basis	30.3		30.8
Effect of LIFO Inventory Liquidation on Income	$ 0.4	$ 1.0