PENSION, PROFIT SHARING AND OTHER POST-RETIREMENT BENEFITS - Rollforward of Benefit Obligation and Plan Assets (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, Change in Benefit Obligation [Roll Forward]
Benefit obligation at January 1,	$ 177.8	$ 193.0
Service cost	0.6	0.5	0.4
Interest cost	7.5	6.8	7.5
(Gain) loss due to foreign exchange	(2.5)	0.8
Actuarial loss (gain), excluding assumption changes	0.8	(2.2)
Actuarial loss (gain) due to assumption changes	21.4	(9.1)
Benefits and expenses paid	(18.4)	(12.0)
Benefit obligation at December 31,	187.2	177.8	193.0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at January 1,	134.0	131.7
Actual gain on plan assets	13.1	9.8
(Loss) gain due to foreign exchange	(1.9)	0.6
Employer contribution	6.4	3.9
Benefits and expenses paid	18.5	12.0
Fair value of plan assets at December 31,	133.1	134.0	131.7
Funded status at end of year	(54.1)	(43.8)
Accumulated benefit obligation at end of year	186.9	177.6
Post- Retirement Health Benefits [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation at January 1,	1.9	2.2
Service cost	0	0	0
Interest cost	0.1	0.1	0.1
(Gain) loss due to foreign exchange	0	0
Actuarial loss (gain), excluding assumption changes	(0.4)	(0.1)
Actuarial loss (gain) due to assumption changes	0.1	(0.2)
Benefits and expenses paid	0	(0.1)
Benefit obligation at December 31,	1.7	1.9	2.2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at January 1,	0	0
Actual gain on plan assets	0	0
(Loss) gain due to foreign exchange	0	0
Employer contribution	0.1	0.1
Benefits and expenses paid	0.1	0.1
Fair value of plan assets at December 31,	0	0	0
Funded status at end of year	$ (1.7)	$ (1.9)