Borrowings (Available Capacity) (Details) (USD $) In Millions			12 Months Ended			12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011 Term Loan Facility [Member]	Jun. 30, 2011 Revolving Credit Facility [Member]	Jun. 30, 2011 Total Short-Term Borrowings [Member]	Jun. 30, 2011 Senior Notes [Member]	Jun. 30, 2011 Total Debt [Member]
Expiration Date			Mar. 01, 2012	Mar. 01, 2012		Jun. 01, 2017
Total Capacity			$ 200.0	$ 500.0	$ 700.0	$ 124.3	$ 824.3
Outstanding Borrowings							524.3
Unused Available Capacity				300.0	300.0		300.0
Short-term Borrowings	400.0		200.0	200.0	400.0
Long-term debt	$ 124.3	$ 324.1				$ 124.3