Share-Based Compensation (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Number of Awards
Exercised (in shares)	(115,600)	(79,444)	(85,890)
Stock options
Number of Awards
Balance at the beginning of the period (in shares)	1,022,606	956,807	820,655
Granted (in shares)	198,904	152,450	227,600
Exercised (in shares)	(115,600)	(79,444)	(85,590)
Cancelled (in shares)	(17,182)	(7,207)	(5,858)
Balance at the end of the period (in shares)	1,088,728	1,022,606	956,807
Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 33.54	$ 29.23	$ 26.53
Granted (in dollars per share)	$ 48.60	$ 55.04	$ 34.78
Exercised (in dollars per share)	$ 19.82	$ 23.57	$ 17.91
Cancelled (in dollars per share)	$ 48.42	$ 27.11	$ 31.31
Balance at the end of the period (in dollars per share)	$ 37.51	$ 33.54	$ 29.23
Additional disclosures
Weighted Average Remaining Contractual Term	6 years 9 months 18 days
Aggregate Intrinsic Value	$ 11.4
Number of Awards, Exercisable (in shares)	759,720
Weighted Average Exercise Price, Exercisable (in dollars per share)	$ 33.02
Weighted Average Remaining Contractual Term, Exercisable	6 years
Aggregate Intrinsic Value, Exercisable	$ 10.8