Stock-Based Compensation (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2013
Changes in stock options
Options outstanding, June 30, 2012	2,891,563
Options, Granted	388,894
Options, Exercised	(511,073)
Options, Lapsed and Forfeited	(40,316)
Options outstanding, June 30, 2013	2,729,068
Options vested and expected to vest, June 30, 2013	2,699,095
Options exercisable, June 30, 2013	1,767,002
Weighted Average Exercise Price, Options outstanding, June 30, 2012	$ 28.46
Weighted Average Exercise Price, Granted	$ 36.83
Weighted Average Exercise Price, Exercised	$ 24.28
Weighted Average Exercise Price, Lapsed and Forfeited	$ 31.35
Weighted Average Exercise Price, Options outstanding, June 30, 2013	$ 30.40
Weighted Average Exercise Price, Option vested and expected to vest, June 30, 2013	$ 30.34
Weighted Average Exercise Price, Options exercisable, June 30, 2013	$ 29.08
Weighted Average Remaining Life, Options outstanding, June 30, 2013	5 years 7 months 6 days
Weighted Average Remaining Life, Options vested and expected to vest, June 30, 2013	5 years 6 months
Weighted Average Remaining Life, Options exercisable, June 30, 2013	4 years 3 months 18 days
Aggregate Intrinsic value, Options outstanding, June 30, 2013	$ 23,110
Aggregate Intrinsic Value, Options vested and expected to vest, June 30, 2013	23,017
Aggregate Intrinsic Value, Options exercisable, June 30, 2013	$ 17,294