EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016	Oct. 01, 2016
Defined Benefit Plan Disclosure [Line Items]
Service period	90 days
Percent of Company match to plan	100.00%
Percent of employee salary eligible for contribution	6.00%
Settlements loss (gain) recognized	$ 0.0	$ 15.4	$ 0.1
Curtailment gain	10.3	2.2	1.8
Funded status	541.1	556.8
Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Settlements loss (gain) recognized	0.0	0.0	0.0
Curtailment gain	10.4	0.0	1.8
Funded status	52.8	63.4
Expected contributions	2.1
U.S. Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	22.0	20.6	12.7
Settlements loss (gain) recognized	0.0	15.9	0.0
Curtailment gain	0.0	0.0	0.0
Funded status	17.5	18.8
Accumulated benefit obligation	17.5	18.8
Expected contributions	1.3
U.S. Pension Plan | Del Laboratories, Inc
Defined Benefit Plan Disclosure [Line Items]
Settlements loss (gain) recognized	15.9
International Plan
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	18.3	13.3	5.7
Settlements loss (gain) recognized	0.0	(0.5)	0.1
Curtailment gain	(0.1)	2.2	$ 0.0
Funded status	470.8	474.6
Accumulated benefit obligation	669.1	$ 640.6
Expected contributions	36.8
International Plan | Other Post-Employment Benefits
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain	10.4
Galleria
Defined Benefit Plan Disclosure [Line Items]
Funded status				$ 404.1
Acquisition Integration Program
Defined Benefit Plan Disclosure [Line Items]
Curtailment gain	1.8
Global Integration Activities | International Plan
Defined Benefit Plan Disclosure [Line Items]
Settlements loss (gain) recognized	(0.4)
Curtailment gain	$ 0.4