Amount of increase (decrease) to additional paid in capital (APIC) resulting from changes in fair value of common and preferred stock issued to employee benefit trust but unearned.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements payable after one year (or the operating cycle, if longer).

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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average closing price.

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Vesting date.

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STOCK-BASED COMPENSATION (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
	Oct. 16, 2014	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
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense										$ 96.7	$ 114.1	$ 155.9
Adjustment to additional paid in capital fair value adjustment share based compensation awards												12.9
PCIP [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Incentive plan termination period	10 years
Part A restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense										$ 82.3	76.5	$ 45.3
Average closing price										10 days
Unrecognized compensation cost		$ 32.6								$ 32.6
Award recorded as liability		5.7				$ 5.5				$ 5.7	$ 5.5
Number of RSUs, Granted										2,664,538	2,678,503	2,190,785
Vesting period					15 months						12 months
Part B restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense										$ 12.4	$ 26.0	$ 36.5
Unrecognized compensation cost		$ 6.8								$ 6.8
Number of 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
Part C restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense										$ 2.0	$ 1.5	$ 1.1
Average closing price										10 days
Number of RSUs, Granted										58,421	47,420	41,793
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Average closing price										10 days	10 days
Performance price										1 year
CII
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense										$ 0.0	$ 10.1	$ 73.0
CII \| Common Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation cost						$ 0.0					0.0
CII \| Common and Preferred Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense											$ 10.1	$ 73.0