Share-Based Compensation - Summary of Outstanding and Exercisable Options by Exercise Price Range (Details) - Stock options	12 Months Ended
	Jun. 30, 2017 $ / shares shares
Exercise price range disclosures
Number of Awards, Outstanding (in shares) | shares	2,392,428
Weighted Average Exercise Price (in dollars per share)	$ 42.27
Number Exercisable (in shares) | shares	1,350,727
Weighted Average Exercise Price (in dollars per share)	$ 44.70
$14.17 - $20.00
Exercise price range disclosures
Minimum Exercise Price Range (in dollars per share)	14.17
Maximum Exercise Price Range (in dollars per share)	$ 20.00
Number of Awards, Outstanding (in shares) | shares	55,214
Weighted Average Remaining Contractual Term (in Years)	2 years 1 month 6 days
Weighted Average Exercise Price (in dollars per share)	$ 17.29
Number Exercisable (in shares) | shares	55,214
Weighted Average Exercise Price (in dollars per share)	$ 17.29
$20.01 - $30.00
Exercise price range disclosures
Minimum Exercise Price Range (in dollars per share)	20.01
Maximum Exercise Price Range (in dollars per share)	$ 30.00
Number of Awards, Outstanding (in shares) | shares	82,277
Weighted Average Remaining Contractual Term (in Years)	1 year 8 months 12 days
Weighted Average Exercise Price (in dollars per share)	$ 23.16
Number Exercisable (in shares) | shares	82,277
Weighted Average Exercise Price (in dollars per share)	$ 23.16
$30.01 - $40.00
Exercise price range disclosures
Minimum Exercise Price Range (in dollars per share)	30.01
Maximum Exercise Price Range (in dollars per share)	$ 40.00
Number of Awards, Outstanding (in shares) | shares	1,193,588
Weighted Average Remaining Contractual Term (in Years)	8 years 6 months
Weighted Average Exercise Price (in dollars per share)	$ 38.16
Number Exercisable (in shares) | shares	182,685
Weighted Average Exercise Price (in dollars per share)	$ 35.28
$40.01 - $50.00
Exercise price range disclosures
Minimum Exercise Price Range (in dollars per share)	40.01
Maximum Exercise Price Range (in dollars per share)	$ 50.00
Number of Awards, Outstanding (in shares) | shares	385,566
Weighted Average Remaining Contractual Term (in Years)	6 years
Weighted Average Exercise Price (in dollars per share)	$ 43.01
Number Exercisable (in shares) | shares	385,566
Weighted Average Exercise Price (in dollars per share)	$ 43.01
$50.01 - $63.54
Exercise price range disclosures
Minimum Exercise Price Range (in dollars per share)	50.01
Maximum Exercise Price Range (in dollars per share)	$ 63.54
Number of Awards, Outstanding (in shares) | shares	675,783
Weighted Average Remaining Contractual Term (in Years)	6 years 2 months 12 days
Weighted Average Exercise Price (in dollars per share)	$ 53.49
Number Exercisable (in shares) | shares	644,985
Weighted Average Exercise Price (in dollars per share)	$ 53.46