Employee Benefit Plans (Assumptions Used To Estimate Fair Value For Stock Options Granted) (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term			5 years 3 months 18 days	5 years 2 months 12 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 8.90	$ 7.00
Risk-free interest rate, minimum			0.80%	1.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum			0.80%	1.00%
Share-based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Dividend Yield, Minimum			2.70%	3.00%
Share-based Compensation Arrangement By Share-Based Payment Award Fair Value Assumptions Dividend Yield, Maximum			2.70%	3.10%
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate Minimum			24.40%	24.90%
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate Maximum			24.40%	25.70%