RESTRUCTURING CHARGES - Additional Information (Details) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 30, 2013 job_position	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($) job_position	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net		$ (3.6)	$ 3.8	$ (3.1)	$ 17.3
Payments for restructuring				5.1
Restructuring reserve within accrued expenses and other		5.7		5.7			$ 13.7
Accrued Expenses and Other
Restructuring Cost and Reserve [Line Items]
Restructuring reserve within accrued expenses and other		5.7		5.7			13.7
Other Long-term Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve within other long-term liabilities							0.3
Integration Program
Restructuring Cost and Reserve [Line Items]
Total expected net charges		22.0		22.0
Restructuring charges and other, net				(2.4)	$ 15.7		20.1
Total expected restructuring cash payments		21.0		21.0
Payments for restructuring				3.9			9.6
December 2013 Program
Restructuring Cost and Reserve [Line Items]
Total expected net charges		18.9		18.9
Total expected restructuring cash payments		$ 17.0		17.0
Payments for restructuring							15.5	$ 0.1
Number of positions eliminated (job positions) | job_position	1,100
Number of positions eliminated related to employees retained indirectly through a third party (job positions) | job_position					940
Scenario, Forecast | Integration Program
Restructuring Cost and Reserve [Line Items]
Payments for restructuring						$ 7.5
Scenario, Forecast | December 2013 Program
Restructuring Cost and Reserve [Line Items]
Payments for restructuring						$ 1.4
Consumer Segment | Integration Program
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net				(3.8)	$ 6.4
Professional | Integration Program
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net				1.4	$ 9.3
The Colomer Group Participations, S.L.
Restructuring Cost and Reserve [Line Items]
Integration related costs				1.2			18.4
Expected Acquisition and integration expected related capital expenditures				6.0
Acquisition and integration related capital expenditures				0.7			$ 4.4
Maximum
Restructuring Cost and Reserve [Line Items]
Capital expenditure and related non-restructuring costs				$ 50.0