Share-Based Compensation (Stock Options Outstanding) (Details)	12 Months Ended
	Jun. 30, 2017 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding, shares outstanding (in shares) | shares	872,989
Options outstanding, weighted average remaining contractual life (in years)	5 years 9 months 22 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 37.63
Options exercisable, number exercisable (in shares) | shares	657,019
Options exercisable, weighted average exercise price (in dollars per share)	$ 37.35
Range One [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	18.13
Range of exercise prices, upper limit	$ 22.27
Options outstanding, shares outstanding (in shares) | shares	2,800
Options outstanding, weighted average remaining contractual life (in years)	1 year 5 months 5 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 18.14
Options exercisable, number exercisable (in shares) | shares	2,800
Options exercisable, weighted average exercise price (in dollars per share)	$ 18.14
Range Two [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	22.27
Range of exercise prices, upper limit	$ 26.38
Options outstanding, shares outstanding (in shares) | shares	29,991
Options outstanding, weighted average remaining contractual life (in years)	2 years 5 months 5 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 24.57
Options exercisable, number exercisable (in shares) | shares	29,991
Options exercisable, weighted average exercise price (in dollars per share)	$ 24.57
Range Three [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	26.38
Range of exercise prices, upper limit	$ 30.49
Options outstanding, shares outstanding (in shares) | shares	20,731
Options outstanding, weighted average remaining contractual life (in years)	5 years 5 months 10 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 29.80
Options exercisable, number exercisable (in shares) | shares	20,731
Options exercisable, weighted average exercise price (in dollars per share)	$ 29.80
Range Four [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	30.49
Range of exercise prices, upper limit	$ 34.60
Options outstanding, shares outstanding (in shares) | shares	82,839
Options outstanding, weighted average remaining contractual life (in years)	4 years 11 months 25 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 34.27
Options exercisable, number exercisable (in shares) | shares	82,839
Options exercisable, weighted average exercise price (in dollars per share)	$ 34.27
Range Five [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	34.60
Range of exercise prices, upper limit	$ 38.71
Options outstanding, shares outstanding (in shares) | shares	452,179
Options outstanding, weighted average remaining contractual life (in years)	5 years 5 months 22 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 36.97
Options exercisable, number exercisable (in shares) | shares	290,360
Options exercisable, weighted average exercise price (in dollars per share)	$ 36.62
Range Six [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	38.71
Range of exercise prices, upper limit	$ 42.82
Options outstanding, shares outstanding (in shares) | shares	284,449
Options outstanding, weighted average remaining contractual life (in years)	7 years 5 days
Options outstanding, weighted average exercise price (in dollars per share)	$ 41.79
Options exercisable, number exercisable (in shares) | shares	230,298
Options exercisable, weighted average exercise price (in dollars per share)	$ 41.95