PENSION, PROFIT SHARING AND OTHER POST-RETIREMENT BENEFITS - Plan Assets by Asset Category (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items]
Plan asset allocations	100.00%	100.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan asset allocations	0.90%	2.50%
Equity Based [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan asset allocations	46.70%	49.90%
Fixed Income Based [Member]
Defined Benefit Plan Disclosure [Line Items]
Plan asset allocations	52.40%	47.60%
Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	$ 133.1	$ 134.0	$ 131.7
Plan asset allocations	100.00%	100.00%
Defined Benefit [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	133.1	131.2
Defined Benefit [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
Defined Benefit [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	2.8
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	1.2	3.3
Plan asset allocations	0.90%	2.50%
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	1.2	3.3
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	54.5	50.7
Plan asset allocations	40.90%	37.80%
United States Pension Plans of US Entity, Defined Benefit [Member] | Corporate Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	54.5	50.7
United States Pension Plans of US Entity, Defined Benefit [Member] | Corporate Debt Securities [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	54.5	50.7
United States Pension Plans of US Entity, Defined Benefit [Member] | Corporate Debt Securities [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Corporate Debt Securities [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	43.2	44.7
Plan asset allocations	32.50%	33.40%
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	43.2	44.7
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Domestic Large Blend [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	17.6	18.1
Plan asset allocations	13.20%	13.50%
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Foreign Large Blend [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	8.2	9.1
Plan asset allocations	6.20%	6.80%
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Domestic Mid Cap Blend [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	6.6	6.7
Plan asset allocations	5.00%	5.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Domestic Small Blend [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	5.3	5.4
Plan asset allocations	4.00%	4.00%
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Diversified Emerging Markets [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	2.8	3.0
Plan asset allocations	2.10%	2.30%
United States Pension Plans of US Entity, Defined Benefit [Member] | Equity Funds [Member] | Real Estate [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	2.7	2.4
Plan asset allocations	2.00%	1.80%
United States Pension Plans of US Entity, Defined Benefit [Member] | Investment in Limited Partnerships [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	2.8
Plan asset allocations	0.00%	2.10%
United States Pension Plans of US Entity, Defined Benefit [Member] | Investment in Limited Partnerships [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment		0
United States Pension Plans of US Entity, Defined Benefit [Member] | Investment in Limited Partnerships [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment		0
United States Pension Plans of US Entity, Defined Benefit [Member] | Investment in Limited Partnerships [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment		2.8
United States Pension Plans of US Entity, Defined Benefit [Member] | Investment in Limited Partnerships [Member] | Domestic Large Cap Core [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	2.8
Plan asset allocations	0.00%	2.10%
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	2.2	0.7
Plan asset allocations	1.70%	0.50%
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Investment [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	2.2	0.7
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Investment [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
United States Pension Plans of US Entity, Defined Benefit [Member] | Other Investment [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
Foreign Pension Plans, Defined Benefit [Member] | Investment in Pension Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	32.0	31.8
Plan asset allocations	24.00%	23.70%
Foreign Pension Plans, Defined Benefit [Member] | Investment in Pension Funds [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	32.0	31.8
Foreign Pension Plans, Defined Benefit [Member] | Investment in Pension Funds [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
Foreign Pension Plans, Defined Benefit [Member] | Investment in Pension Funds [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	0	0
Foreign Pension Plans, Defined Benefit [Member] | Investment in Pension Funds [Member] | Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	13.0	12.5
Plan asset allocations	9.70%	9.30%
Foreign Pension Plans, Defined Benefit [Member] | Investment in Pension Funds [Member] | International Hedge [Member]
Defined Benefit Plan Disclosure [Line Items]
Investment	$ 19.0	$ 19.3
Plan asset allocations	14.30%	14.40%