Employee Benefit Plans (Assumptions Used To Estimate Fair Value For Stock Options Granted) (Details) (USD $)	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Risk-free interest rate, minimum	1.40%	2.30%	1.80%
Risk-free interest rate, maximum	2.40%	2.60%	3.10%
Dividend yield, minimum	2.90%	3.20%	2.60%
Dividend yield, maximum	3.30%	3.40%	3.50%
Weighted average volatility factor, minimum	24.50%	25.90%	25.30%
Weighted average volatility factor, maximum	24.90%	30.40%	31.30%
Weighted average expected life (in years)			5.0
Weighted average expected life in years, minimum	5.1	5.0
Weighted average expected life in years, maximum	5.2	5.1
Stock Options [Member]
Fair value	$ 7.59	$ 7.05	$ 7.54