Stock-Based Compensation (Stock-Settled Stock Appreciation Rights Activity) (Details) - Stock Settled Stock Appreciation Rights SARS [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Number of Rights
Number of Rights, Outstanding at beginning of year (in rights)	521
Number of Rights, Exercised (in rights)	(105)
Number of Rights, Granted (in rights)	185	166	240
Number of Rights, Forfeited (in rights)	(15)
Number of Rights, Outstanding at end of year (in rights)	586	521
Number of Rights, Exercisable and vested at end of year (in rights)	225
Number of Rights, Vested and expected to vest at end of year (in rights)	562
Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding at beginning of year (in dollars per share)	$ 109.70
Weighted Average Exercise Price, Exercised (in dollars per share)	93.67
Weighted Average Exercise Price, Granted (in dollars per share)	121.09
Weighted Average Exercise Price, Forfeited (in dollars per share)	115.85
Weighted Average Exercise Price, Outstanding at end of year (in dollars per share)	115.99	$ 109.70
Weighted Average Exercise Price, Exercisable and vested at end of year (in dollars per share)	107.41
Weighted Average Exercise Price, Vested and expected to vest at end of year (in dollars per share)	$ 116.31
Weighted Average Remaining Contractual Life in Years, Outstanding at end of year	3 years 5 months 1 day
Weighted Average Remaining Contractual Life in Years, Exercisable and vested at end of year	2 years 6 months 14 days
Weighted Average Remaining Contractual Life in Years, Vested and expected to vest at end of year	3 years 5 months 1 day
Aggregate Intrinsic Value, Outstanding at end of year	$ 13,156
Aggregate Intrinsic Value, Exercisable and vested at end of year	6,986
Aggregate Intrinsic Value, Vested and expected to vest at end of year	$ 12,423