Stock-Based Compensation (Restricted Stock Activity) (Details) (Restricted Stock [Member], USD $)	12 Months Ended
	Jun. 30, 2011
Restricted Stock [Member]
Number of Shares, Unvested at beginning of period	61,000
Number of Shares, Granted	15,000
Number of Shares, Vested	(30,000)
Number of Shares, Forfeited	(2,000)
Number of Shares, Unvested at end of period	44,000
Weighted Average Grant Date Fair Value, Unvested at beginning of period	$ 48.43
Weighted Average Grant Date Fair Value, Granted	$ 54.35
Weighted Average Grant Date Fair Value, Vested	$ 41.83
Weighted Average Grant Date Fair Value, Forfeited	$ 50.75
Weighted Average Grant Date Fair Value, Unvested at end of period	$ 54.86