Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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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
	Oct. 16, 2014	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense		$ 27.2				$ 26.7
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		$ 22.7				$ 23.3
Average closing price		10 days
Unrecognized compensation cost		$ 29.2
Award recorded as liability		$ 6.7	$ 6.2
Number of RSUs, Granted		640,191
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		$ 3.8				$ 2.9
Average closing price		10 days
Unrecognized compensation cost		$ 8.8
Number of RSUs, Granted		64,705	75,370	98,342	61,123	58,418
Vesting period						15 months	12 months
Part C restricted stock units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense		$ 0.7				$ 0.5
Average closing price		10 days
Number of RSUs, Granted		19,347				14,137
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Average closing price		10 days
Performance price		1 year