EQUITY - Dividends (Details) - USD ($) $ / shares in Units, shares in Millions										3 Months Ended						9 Months Ended
	Mar. 27, 2020	Feb. 18, 2020	Feb. 05, 2020	Dec. 27, 2019	Nov. 18, 2019	Nov. 06, 2019	Sep. 30, 2019	Sep. 09, 2019	Aug. 28, 2019	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Mar. 31, 2020
Class of Stock [Line Items]
Dividends (in dollars per share)			$ 0.125			$ 0.125			$ 0.125	$ 0.125	$ 0.125	$ 0.125	$ 0.125	$ 0.125	$ 0.125	$ 0.375
Dividend Value		$ 0.125			$ 0.125			$ 0.125								$ 0.375
Dividends Settled in Cash	$ 66,400,000			$ 65,500,000			$ 63,300,000									195,200,000
Dividend Settled in Stock	28,700,000			29,300,000			30,900,000									88,900,000
Dividends Payable		$ 1,200,000			$ 1,300,000			$ 1,100,000		$ 3,600,000						$ 3,600,000
Common Class A
Class of Stock [Line Items]
Dividend Settled in Stock	$ 28,700,000			$ 29,300,000			$ 30,900,000			$ 28,700,000	$ 29,500,000	$ 30,900,000
Issuance of shares of Class A Common Stock (in shares)	2.4			2.4			3.2