PENSION AND POST RETIREMENT PLANS (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee benefit plans
Non-current liabilities	$ (74.4)	$ (108.0)
Pension Benefits
Employee benefit plans
Non-current liabilities	(24.7)	(60.9)
Total	(24.7)	(60.9)
Net loss (net of taxes)	32.0	55.8
Prior service cost (net of taxes)	(12.0)	(13.4)
Total	20.0	42.4
Projected benefit obligation	197.5	210.1	192.6
Fair value of plan assets	172.8	149.2	126.0
Estimated net loss and prior service credit that will be amortized from accumulated other comprehensive loss into net periodic benefit cost in 2014	0.7
Qualified Plans
Employee benefit plans
Projected benefit obligation	197.5	210.1
Accumulated benefit obligation	197.2	209.6
Fair value of plan assets	172.8	149.2
Other Post-retirement Benefits
Employee benefit plans
Current liabilities	(2.4)	(2.1)
Non-current liabilities	(49.7)	(47.1)
Total	(52.1)	(49.2)
Net loss (net of taxes)	1.7	0.7
Prior service cost (net of taxes)		0.1
Total	1.7	0.8
Projected benefit obligation	52.1	49.2	48.5
Estimated net loss and prior service credit that will be amortized from accumulated other comprehensive loss into net periodic benefit cost in 2014	$ 0.6
Amortization period of unrecognized gains and losses	5 years