Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Grant Details) (Details) (Stock-Settled Stock Appreciation Rights [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Stock-Settled Stock Appreciation Rights [Member]
SSSARs granted	94	168	78
Weighted average fair value per right	$ 10.12	$ 11.81	$ 6.89
Risk-free interest rate	1.27%	1.67%	1.63%
Dividend yield	2.28%	2.04%	2.86%
Volatility factor of the expected market price of our common stock	28.78%	29.97%	28.13%
Weighted average expected life in years	3.11	3.50	3.50