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COMMON STOCK - Summary of Cash Dividends Per Share (Details) - $ / shares									12 Months Ended
	Jun. 15, 2023	Mar. 15, 2023	Feb. 01, 2023	Dec. 15, 2022	Nov. 01, 2022	Sep. 15, 2022	Aug. 17, 2022	May 02, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Class of Stock
Cash dividends declared per common share (in dollars per share)									$ 2.58	$ 2.33	$ 2.07
Common Class A
Class of Stock
Cash dividends declared per common share (in dollars per share)			$ 0.66		$ 0.66		$ 0.60	$ 0.66
Cash dividends paid per common share (in dollars per share)	$ 0.66	$ 0.66		$ 0.66		$ 0.60
Common Class B
Class of Stock
Cash dividends declared per common share (in dollars per share)			$ 0.66		$ 0.66		$ 0.60	$ 0.66
Cash dividends paid per common share (in dollars per share)	$ 0.66	$ 0.66		$ 0.66		$ 0.60

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