Employee Benefits Plans Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan [Member] - $ / shares shares in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent	85.00%
Shares issued for Employee Stock Purchase Plan (shares)	76	81	87
Employee stock purchase plan, average price per share	$ 98.46	$ 77.52	$ 65.33
Common Stock, Capital Shares Reserved for Future Issuance	1,381