Employee Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock options - term for stock options granted, in years			10 years
Shares repurchased	1.4	2.0	5.6	5.4
Stock-based compensation expense	$ 39.2	$ 29.6	$ 66.3	$ 50.5
Total stock-based compensation - related tax benefits	13.9	10.6	23.5	18.0
Defined Benefit Plan, Contributions by Employer			79.9
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year			4.6
Stock Options Granted Prior To July Two Thousand Eight [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			5 years
Stock Options Granted After July 2008 [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			4 years
Time Based Restricted Stock granted prior to Fiscal 2013 [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			5 years
Time Based Restricted Stock granted during Fiscal 2013 [Domain] [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			2 years
Performance Based Restricted Stock and Units [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Minimum percentage that will ultimately vest under performance-based restricted stock awards based on performance target			0.00%
Maximum percentage that will ultimately vest under performance-based restricted stock awards based on performance target			150.00%
Employee Stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Purchase price of common stock as percentage of market value			95.00%
Non-Vested Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total remaining unrecognized compensation cost	6.0		6.0
Weighted-average remaining requisite vesting period			1 year 8 months 29 days
Nonvested Restricted Stock Unit [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total remaining unrecognized compensation cost	37.2		37.2
Weighted-average remaining requisite vesting period			1 year 5 months 24 days
Non-Vested Restricted Stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Total remaining unrecognized compensation cost	$ 147.8		$ 147.8
Weighted-average remaining requisite vesting period			1 year 7 months 15 days
Minimum [Member] | Performance Based Restricted Stock and Units [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Performance Period			1 year
Maximum [Member] | Performance Based Restricted Stock and Units [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award Performance Period			3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period			26 months