EARNINGS PER SHARE AND STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount (in shares)			3,200,000	4,500,000
Basic weighted average common shares (in shares)	142,340,000	154,119,000	144,307,000	156,701,000
Nonvested units granted (in shares)			1,700,000	1,000,000
Stock-based compensation	$ 9.9	$ 10.2	$ 17.5	$ 17.9
Unrecognized compensation costs, nonvested shares and units	$ 59.2		$ 59.2