PENSION PLANS (Details Textuals)	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Oct. 05, 2015 USD ($)
Defined Benefit Plan Disclosure [Line Items]
Expenses of the defined contribution pension plans	$ 18,100,000	$ 16,100,000	$ 15,400,000
After-tax charge to shareholders' equity	78,800,000	84,800,000
Pretax amount of after-tax (benefit) charge recorded in shareholders' equity	$ (125,400,000)	$ (138,900,000)	(14,400,000)
Basis point increase (decrease) in the plans' discount rate reflected in charge to shareholders' equity	50	(60)
Defined Benefit Plan, Curtailments	$ (12,700,000)	$ (200,000)
Actuarial (gain) loss	(44,000,000)	255,600,000
Benefit Obligation, Period Increase (Decrease) Due to New Mortality Tables		90.0
Defined Benefit Plan, Benefit Obligation	2,685,900,000	2,182,800,000	1,978,700,000
Projected benefit payments [Abstract]
Curtailments	47,200,000	200,000	0
Change in Control Mandatory Acceleration of Expenses Under the Non-Qualified Pension Plan	47,100,000
Defined Benefit Plan Recognized Net Gain Loss Due To Settlement and Curtailments Becancour	(100,000)
Defined Benefit Plan, Amortization of Net Losses	22,000,000
Par outstanding value of bonds used to determine the discount rate yield curve	$ 250,000,000
Historic rate of return on plan assets in the last 5 year period (in hundredths)	7.50%
Historic rate of return on plan assets in the last 10 year period (in hundredths)	9.30%
Historic rate of return on plan assets in the last 15 year period (in hundredths)	8.00%
United States Pension Plan of US Entity
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Curtailments	$ (12,600,000)	0
Actuarial (gain) loss	(45,800,000)	245,800,000
Defined Benefit Plan, Benefit Obligation	2,458,500,000	2,116,500,000	1,916,500,000
Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Curtailments	(100,000)	(200,000)
Actuarial (gain) loss	1,800,000	9,800,000
Defined Benefit Plan, Benefit Obligation	227,400,000	66,300,000	$ 62,200,000
Projected benefit payments [Abstract]
Defined Benefit Plan, Contributions by Employer	900,000	800,000
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year	5,000,000
Non-Qualified Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation	5,100,000	$ 65,400,000
Projected benefit payments [Abstract]
2016	500,000
2017	500,000
2018	400,000
2019	500,000
2020	600,000
Qualified Pension Plan
Projected benefit payments [Abstract]
2016	135,900,000
2017	135,700,000
2018	136,500,000
2019	136,600,000
2020	$ 136,700,000
Minimum
Defined Benefit Plan Disclosure [Line Items]
Contribution To Individual Retirement Account Percentage Of Employees Eligible Compensation	5.00%
Maximum
Defined Benefit Plan Disclosure [Line Items]
Contribution To Individual Retirement Account Percentage Of Employees Eligible Compensation	10.00%
DCP Business
Defined Benefit Plan Disclosure [Line Items]
Pension liabilities assumed				$ 447,100,000
Projected benefit payments [Abstract]
Change in Control Mandatory Acceleration of Expenses Under the Non-Qualified Pension Plan	$ 47,100,000
DCP Business | United States Pension Plan of US Entity
Defined Benefit Plan Disclosure [Line Items]
Pension liabilities assumed				286,500,000
DCP Business | Foreign Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Pension liabilities assumed				$ 160,600,000