Share-Based Compensation (Details 6) (Restricted stock unit awards, 1993 Plan, USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Restricted stock unit awards | 1993 Plan
Number of Awards
Balance at the beginning of the period (in shares)	215,415	419,331	480,741
Time-based granted (in shares)	14,086	22,838	43,408
Performance-based granted (in shares)	20,794	41,816	77,423
Vested (in shares)	(120,117)	(254,967)	(171,140)
Forfeited (in shares)	(16,615)	(13,603)	(11,101)
Balance at the end of the period (in shares)	113,563	215,415	419,331
Weighted-Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share)	$ 43.75	$ 35.71	$ 28.17
Time-based granted (in dollars per share)	$ 52.58	$ 50.15	$ 49.75
Performance-based granted (in dollars per share)	$ 48.85	$ 47.85	$ 55.69
Vested (in dollars per share)	$ 43.96	$ 31.39	$ 28.00
Forfeited (in dollars per share)	$ 48.02	$ 51.85	$ 21.75
Balance at the end of the period (in dollars per share)	$ 44.99	$ 43.75	$ 35.71