Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Activity) (Details) (Stock Settled Stock Appreciation Rights SARS [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Stock Settled Stock Appreciation Rights SARS [Member]
Number of Rights
Number of Rights, Outstanding at beginning of period	374,000
Number of Rights, Exercised	(2,000)
Number of Rights, Granted	2,000	0
Number of Rights, Forfeited	0
Number of Rights, Outstanding at end of period	374,000
Number of Rights, Exercisable and vested at end of period	110,000
Number of Rights, Vested and expected to vest at end of period	365,000
Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding at beginning of period	$ 66.42
Weighted Average Exercise Price, Exercised	$ 61.80
Weighted Average Exercise Price, Granted	$ 79.78
Weighted Average Exercise Price, Forfeited	$ 0.00
Weighted Average Exercise Price, Outstanding at end of period	$ 66.51
Weighted Average Exercise Price, Exercisable and vested at end of period	$ 60.87
Weighted Average Exercise Price, Vested and expected to vest at end of period	$ 66.51
Weighted Average Remaining Contractual Life in Years, Outstanding at end of period	3 years 3 months 7 days
Weighted Average Remaining Contractual Life in Years, Exercisable and vested at end of period	2 years 2 months 16 days
Weighted Average Remaining Contractual Life in Years, Vested and expected to vest at end of period	3 years 3 months 7 days
Aggregate Intrinsic Value, Outstanding at end of period	$ 4,408
Aggregate Intrinsic Value, Exercisable and vested at end of period	1,910
Aggregate Intrinsic Value, Vested and expected to vest at end of period	$ 4,302