Employee Benefits Plans Employee Stock Purchase Plan (Details) - Employee Stock Purchase Plan [Member] - $ / shares shares in Thousands	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Employee Stock Purchase Plan, Purchase Price of Common Stock, Percent of Closing Price	85.00%
Shares issued for Employee Stock Purchase Plan (shares)	80	74	76
Employee stock purchase plan, average price per share	$ 136.87	$ 132.51	$ 118.32
Common Stock, Capital Shares Reserved for Future Issuance	1,150

Number of shares issued during the period as a result of an employee stock purchase plan.

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Name:	us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration