Segment Information (Narrative) (Details) (USD $) In Millions	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Spin-Off costs included in selling, general, and administrative expense and not allocated to segments	$ 0.5	$ 1.6
Corporate [Member]
Project costs on incremental strategic investment	$ 6.9	$ 0.7