PENSION PLANS AND RETIREMENT BENEFITS (Details 1) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Pension Benefits [Member]
Service Cost	$ 1.7	$ 1.5
Interest Cost	20.2	23.5
Expected return on plans' assets	(34.4)	(34.2)
Recognized acturial loss	7.5	4.3
Net periodic benefit (income) cost	(5.0)	(4.9)
Other Postretirement Benefits [Member}
Service Cost	0.4	0.4
Interest Cost	0.7	0.9
Expected return on plans' assets	0	0
Recognized acturial loss	1.0	0.9
Net periodic benefit (income) cost	$ 2.1	$ 2.2