RESTRUCTURING CHARGES - Additional Information (Details) $ in Millions		1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Dec. 30, 2013 job_position	Sep. 30, 2015 USD ($) job_position	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($) job_position	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($) 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				$ 4.0	$ 0.8	$ 0.9	$ 18.1
Payments for restructuring						8.4
Restructuring reserve within accrued expenses and other		$ 6.3		6.3		6.3			$ 13.7
Accrued Expenses and Other
Restructuring Cost and Reserve [Line Items]
Restructuring reserve within accrued expenses and other		$ 6.3		6.3		6.3			13.7
Other Long-term Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring reserve within other long-term liabilities									0.3
Efficiency Program
Restructuring Cost and Reserve [Line Items]
Number of positions expected to be eliminated | job_position		40
Total expected net charges		$ 8.0		$ 8.0		8.0
Number of positions eliminated (job positions) | job_position				17
Restructuring charges and other, net						3.7
Total expected restructuring cash payments		3.7		$ 3.7		3.7
Payments for restructuring						1.0
Efficiency Program | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Payments for restructuring			$ 1.9
Efficiency Program | Consumer Segment
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net						2.8
Efficiency Program | Professional
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net						0.5
Efficiency Program | Minimum
Restructuring Cost and Reserve [Line Items]
Total expected net charges		4.0		4.0		4.0
Efficiency Program | Maximum
Restructuring Cost and Reserve [Line Items]
Total expected net charges		8.0		8.0		8.0
Integration Program
Restructuring Cost and Reserve [Line Items]
Total expected net charges		21.0		21.0		21.0
Restructuring charges and other, net						(2.3)	17.1		20.1
Total expected restructuring cash payments		20.0		20.0		20.0
Payments for restructuring						5.8			9.6
Integration Program | Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Payments for restructuring								$ 4.6
Integration Program | The Colomer Group Participations, S.L.
Restructuring Cost and Reserve [Line Items]
Integration related costs						1.5			18.4
Expected Acquisition and integration expected related capital expenditures						6.0
Acquisition and integration related capital expenditures						0.8			4.4
Integration Program | Consumer Segment
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net						(3.7)	7.3
Integration Program | Professional
Restructuring Cost and Reserve [Line Items]
Restructuring charges and other, net						1.4	$ 9.8
Integration Program | Maximum
Restructuring Cost and Reserve [Line Items]
Capital expenditure and related non-restructuring costs						50.0
December 2013 Program
Restructuring Cost and Reserve [Line Items]
Total expected net charges		18.9		18.9		18.9
Number of positions eliminated (job positions) | job_position	1,100
Total expected restructuring cash payments		$ 17.0		$ 17.0		$ 17.0
Payments for restructuring									$ 15.5	$ 0.1
Number of positions eliminated related to employees retained indirectly through a third party (job positions) | job_position							940