Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Valuation allowance	$ 54.7	$ 62.7
Current deferred tax assets	44.4	35.2
Long-term deferred tax assets	52.1	62.3
Current deferred tax liabilities	79.0	97.9
Undistributed foreign earnings	932.7
Net operating loss amount subject to expiration	63.4
Operating loss carry forwards not subject to expiration	65.6
Income tax payments	660.3	628.7	693.4
Amount of unrecognized tax benefits that would impact effective tax rate if recognized	43.7	56.3	52.8
Unrecognized tax benefits	84.7	105.7	107.2	92.8
Interest expense related to uncertain tax positions	1.2	1.7	4.0
Accrued interest expense for uncertain tax positions	14.4	15.4
Accrued penalties for uncertain tax positions	2.1	3.4
Future earnings in the next twelve months	10.0
Income Taxes Payable [Member]
Accrued interest expense for uncertain tax positions	1.6	0.4
Accrued penalties for uncertain tax positions	0.7	0.1
Foreign Country [Member]
Net operating loss expiration dates	expires through 2032
Operating loss carryforwards	129.0
Federal [Member]
Operating loss carryforwards	113.6
State [Member]
Net operating loss expiration dates	expires through 2031
Operating loss carryforwards	$ 215.5