Common Stock (Details) (USD $)	0 Months Ended				12 Months Ended
	Apr. 23, 2013	Oct. 24, 2012	Nov. 02, 2011	Oct. 29, 2010	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Common Stock
Approved stock repurchase program, authorized amount	$ 150,000,000	$ 100,000,000	$ 100,000,000	$ 40,000,000
Repurchase of common stock (in shares)					3,064,151	2,496,595
Repurchase of common stock, amount					84,677,000	46,105,000	10,531,000
Remaining capacity under the stock repurchase program	$ 58,400,000				$ 134,400,000