Earnings Per Share (Computation Of Basic And Diluted Earnings Per Common Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Share [Abstract]
Net income attributable to common stock	$ 12,940	$ 16,832	$ 22,501	$ 34,623
Weighted average number of shares outstanding, used in computing basic earnings per share	59,265	58,516	59,154	58,483
Dilutive common stock equivalents	984	1,170	1,010	1,190
Weighted average number of shares outstanding used in computing diluted earnings per share	60,249	59,686	60,164	59,673
Basic earnings per share	$ 0.22	$ 0.29	$ 0.38	$ 0.59
Diluted earnings per share	$ 0.21	$ 0.28	$ 0.37	$ 0.58
Anti-dilutive options (excluded from the calculation of diluted earnings per share)	2,598	1,537	2,073	1,396