Stock Options and Restricted Stock Awards (Details) (Stock Options, USD $)	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Stock Options
Number of Options
Beginning balance (in shares)	1,739,663	[1]	2,371,198	[1]	3,070,999	[1]
Exercised (in shares)	(816,854)	[1]	(533,954)	[1]	(311,814)	[1]
Forfeited or expired (in shares)	0	[1]	(97,581)	[1]	(387,987)	[1]
Ending balance (in shares)	922,809	[1]	1,739,663	[1]	2,371,198	[1]
Weighted Average Exercise Price
Beginning balance (in usd per share)	$ 9.79		$ 10.31		$ 10.54
Exercised (in usd per share)	$ 9.38		$ 11.59		$ 9.12
Forfeited or expired (in usd per share)	$ 0.00		$ 12.49		$ 13.11
Ending balance (in usd per share)	$ 10.16		$ 9.79		$ 10.31

[1] Includes the effect of options granted, exercised, forfeited or expired from the 1991 Plan, 2003 Plan, 2007 Plan, 2006 Plan and options granted outside the stock option plans described above.