PENSION, PROFIT SHARING AND OTHER POST-RETIREMENT BENEFITS - Changes in Assets and Obligations Recognized in Other Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Actuarial (loss) gain arising during the period	$ (16.3)	$ 14.3	$ (3.3)
Amortization to net (loss) earnings of net actuarial (gain) loss	0.2	0.7	0.4
Deferred income taxes on pension liability	4.6	(6.0)	0
Total pension liability adjustments, net of tax	(11.5)	9.0	(2.9)
Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial (loss) gain arising during the period	(16.6)	14.1	(3.4)
Amortization to net (loss) earnings of net actuarial (gain) loss	0.3	0.7	0.8
Deferred income taxes on pension liability	4.7	(5.9)	(0.1)
Total pension liability adjustments, net of tax	(11.6)	8.9	(2.7)
Post- Retirement Health Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Actuarial (loss) gain arising during the period	0.3	0.2	0.1
Amortization to net (loss) earnings of net actuarial (gain) loss	(0.1)	0	(0.4)
Deferred income taxes on pension liability	(0.1)	(0.1)	0.1
Total pension liability adjustments, net of tax	$ 0.1	$ 0.1	$ (0.2)