Income Taxes (Reconciliation of Beginning and Ending balance of Unrecognized Tax) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits, beginning balance	$ 70.7	$ 84.7	$ 105.7
Additions for tax positions	3.6	5.0	8.0
Reduction of tax positions	0	0	(0.8)
Additions for tax positions of periods	7.0	5.3	13.0
Reductions for tax positions of periods	(7.4)	(3.7)	(21.6)
Settlement with tax authorities	(4.4)	(12.0)	(4.2)
Expiration of the statute of limitations	(13.7)	(9.7)	(9.8)
Impact of foreign exchange rate fluctuations	0.9	1.1	(5.6)
Unrecognized Tax Benefits, ending balance	$ 56.7	$ 70.7	$ 84.7