Stock-Based Compensation - Additional Disclosures (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments related to tax withholding	$ 5,764	$ 4,480	$ 5,699
Common stock reserved for future issuance or settlement (in shares)	10,800,000
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in dollars per share)	$ 46.59	$ 41.86	$ 42.65
Total fair value of shares vested from RSU grants	$ 16,600	$ 12,700	$ 16,100
Total unrecognized compensation cost	$ 23,000
Total unrecognized compensation cost, period of recognition	2 years 7 months
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 6,100
Total unrecognized compensation cost, period of recognition	2 years 6 months
Granted (in dollars per share)	$ 46.31	$ 42.66	$ 42.66
Total intrinsic value of options exercised	$ 7,900	$ 4,100	$ 8,200
Cash proceeds from option exercises	9,300	3,900	4,600
Payments related to tax withholding	$ 5,800	$ 4,400	$ 5,700
2010 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for future issuance or settlement (in shares)	2,781,925