COMMON STOCK - Summary of Cash Dividends Per Share (Details) - $ / shares									12 Months Ended
	Jun. 17, 2024	Apr. 30, 2024	Mar. 15, 2024	Feb. 02, 2024	Dec. 15, 2023	Oct. 31, 2023	Sep. 15, 2023	Aug. 17, 2023	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Class of Stock
Cash dividends declared per common share (in dollars per share)									$ 2.64	$ 2.58	$ 2.33
Common Class A
Class of Stock
Cash dividends declared per common share (in dollars per share)		$ 0.66		$ 0.66		$ 0.66		$ 0.66
Cash dividends paid per common share (in dollars per share)	$ 0.66		$ 0.66		$ 0.66		$ 0.66
Common Class B
Class of Stock
Cash dividends declared per common share (in dollars per share)		$ 0.66		$ 0.66		$ 0.66		$ 0.66
Cash dividends paid per common share (in dollars per share)	$ 0.66		$ 0.66		$ 0.66		$ 0.66