STOCK-BASED COMPENSATION (Summary Of Part B RSUs Granted and Units Converted to Common Stock) (Details) - $ / shares	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Part B restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Part B RSUs granted	78,123	77,218	82,556	163,960	152,808	171,316	191,015	200,425	401,857	715,564	1,152,176
Maximum eligible shares of the Company's common stock	539,049	532,804	569,636	590,256	550,109	880,564	981,817	1,030,185	539,049	550,109
Grant date fair value	$ 74.44	$ 52.47	$ 45.10	$ 19.06	$ 26.52	$ 27.39	$ 75.56	$ 47.00	$ 41.60	$ 45.56	$ 26.80
Units converted to Company's common stock at vesting date					54,671	41,368	102,511	99,508
CII
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum eligible shares of the Company's common stock	625,000,000								625,000,000