Commitments And Contingencies (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Jan. 14, 2008
Commitments And Contingencies [Abstract]
Adverse effect on earnings per share resulting from changing sales forecasts					$ 1.00
Costs relating to delayed delivery of product	$ 0	$ 4.6	$ 4.6	$ 4.6