RESTRUCTURING CHARGES - Restructuring and Related Charges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Restructuring Cost and Reserve [Line Items]
Charges incurred	$ 0.5	$ 13.5
Integration Program
Restructuring Cost and Reserve [Line Items]
Charges incurred	0.1	13.6	20.1
Cumulative charges incurred through March 31, 2015	20.2
Total expected charges	25.0
Integration Program | Total Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Charges incurred	(0.1)		18.9
Cumulative charges incurred through March 31, 2015	18.8
Total expected charges	21.0
Integration Program | Inventory Write-offs and Other Manufacturing-Related Costs
Restructuring Cost and Reserve [Line Items]
Charges incurred	0.1		0.6
Cumulative charges incurred through March 31, 2015	0.7
Total expected charges	2.5
Integration Program | Other Charges
Restructuring Cost and Reserve [Line Items]
Charges incurred	0.1		0.6
Cumulative charges incurred through March 31, 2015	0.7
Total expected charges	1.5
December 2013 Program
Restructuring Cost and Reserve [Line Items]
Charges incurred			18.9
Total expected charges	18.9
December 2013 Program | Total Restructuring Charges
Restructuring Cost and Reserve [Line Items]
Charges incurred			8.9
Total expected charges	8.9
December 2013 Program | Allowances and Returns
Restructuring Cost and Reserve [Line Items]
Charges incurred			6.5
Total expected charges	6.5
December 2013 Program | Inventory Write-offs and Other Manufacturing-Related Costs
Restructuring Cost and Reserve [Line Items]
Charges incurred			3.1
Total expected charges	3.1
December 2013 Program | Other Charges
Restructuring Cost and Reserve [Line Items]
Charges incurred			0.4
Total expected charges	0.4
Employee Severance and Other Personnel Benefits | Integration Program
Restructuring Cost and Reserve [Line Items]
Charges incurred	(0.1)		17.3
Cumulative charges incurred through March 31, 2015	17.2
Total expected charges	18.0
Employee Severance and Other Personnel Benefits | December 2013 Program
Restructuring Cost and Reserve [Line Items]
Charges incurred			8.6
Total expected charges	8.6
Other | Integration Program
Restructuring Cost and Reserve [Line Items]
Charges incurred	0		1.6
Cumulative charges incurred through March 31, 2015	1.6
Total expected charges	3.0
Other | December 2013 Program
Restructuring Cost and Reserve [Line Items]
Charges incurred			0.3
Total expected charges	$ 0.3