INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions		6 Months Ended	12 Months Ended
	Dec. 22, 2017	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Operating Loss Carryforwards [Line Items]
Effective tax rates	35.00%	21.00%	21.00%	28.00%	35.00%
Liability for uncertain tax positions related to state taxing jurisdictions		$ 1.8		$ 1.8	$ 0.2
Accrued interest and penalties		0.1		0.1	$ 0.1
Provisional amount as a deferred tax liability for additional estimated tax		0.8		0.8
Unrecognized tax benefit impact the effective income tax rate		1.9		1.9
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward balance		384.3		384.3
Federal [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward balance		1,917.2	$ 135.8	1,917.2
Net operating losses used in the period				1,356.2
Current annual net operating loss usage		245.5		245.5
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward balance		53.9		53.9
Current annual net operating loss usage		$ 51.6		$ 51.6