Segment Data (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Segment Data (Textuals) [Abstract]
Number of customers accountable for 10 percentage or more of total sales	3.5	3.5	3.5
Export sales from U.S. operations to unaffiliated customers	$ 90.6	$ 84.1	$ 116.6
Operations in number of global business unit	2