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Share-Based Compensation (Stock Options Outstanding) (Details)
12 Months Ended
Jun. 30, 2019
$ / shares
shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Options outstanding, shares outstanding (in shares) | shares 850,695
Options outstanding, weighted average remaining contractual life (in years) 5 years 18 days
Options outstanding, weighted average exercise price (in dollars per share) $ 37.57
Options exercisable, number exercisable (in shares) | shares 748,263
Options exercisable, weighted average exercise price (in dollars per share) $ 37.91
Range One [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit (in dollars per share) 22.27
Range of exercise prices, upper limit (in dollars per share) $ 26.38
Options outstanding, shares outstanding (in shares) | shares 25,000
Options outstanding, weighted average remaining contractual life (in years) 13 days
Options outstanding, weighted average exercise price (in dollars per share) $ 24.57
Options exercisable, number exercisable (in shares) | shares 25,000
Options exercisable, weighted average exercise price (in dollars per share) $ 24.57
Range Two [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit (in dollars per share) 26.38
Range of exercise prices, upper limit (in dollars per share) $ 30.49
Options outstanding, shares outstanding (in shares) | shares 19,731
Options outstanding, weighted average remaining contractual life (in years) 3 years 5 months 8 days
Options outstanding, weighted average exercise price (in dollars per share) $ 29.80
Options exercisable, number exercisable (in shares) | shares 19,731
Options exercisable, weighted average exercise price (in dollars per share) $ 29.80
Range Three [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit (in dollars per share) 30.49
Range of exercise prices, upper limit (in dollars per share) $ 34.60
Options outstanding, shares outstanding (in shares) | shares 153,236
Options outstanding, weighted average remaining contractual life (in years) 6 years 10 months 24 days
Options outstanding, weighted average exercise price (in dollars per share) $ 34.17
Options exercisable, number exercisable (in shares) | shares 80,251
Options exercisable, weighted average exercise price (in dollars per share) $ 34.18
Range Four [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit (in dollars per share) 34.60
Range of exercise prices, upper limit (in dollars per share) $ 38.71
Options outstanding, shares outstanding (in shares) | shares 371,169
Options outstanding, weighted average remaining contractual life (in years) 4 years 8 months 1 day
Options outstanding, weighted average exercise price (in dollars per share) $ 37.04
Options exercisable, number exercisable (in shares) | shares 343,832
Options exercisable, weighted average exercise price (in dollars per share) $ 37.04
Range Five [Member]  
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]  
Range of exercise prices, lower limit (in dollars per share) 38.71
Range of exercise prices, upper limit (in dollars per share) $ 42.82
Options outstanding, shares outstanding (in shares) | shares 281,559
Options outstanding, weighted average remaining contractual life (in years) 5 years 21 days
Options outstanding, weighted average exercise price (in dollars per share) $ 41.81
Options exercisable, number exercisable (in shares) | shares 279,449
Options exercisable, weighted average exercise price (in dollars per share) $ 41.83