PENSION, PROFIT SHARING AND OTHER POST-RETIREMENT BENEFITS - Net Periodic Benefit Cost (Income) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.6	$ 0.5	$ 0.4
Interest cost	7.5	6.8	7.5
Expected return on plan assets	(7.7)	(6.8)	(7.0)
Net amortization of actuarial loss (gain)	0.3	0.8	0.8
Settlement gain	0	0	0
Net periodic benefit cost (income)	0.7	1.3	1.7
Post- Retirement Health Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0
Interest cost	0.1	0.1	0.1
Expected return on plan assets	0	0	0
Net amortization of actuarial loss (gain)	(0.1)	(0.1)	(0.2)
Settlement gain	0	0	(0.2)
Net periodic benefit cost (income)	$ 0	$ 0	$ (0.3)