PENSION PLANS (Details 1) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	$ 2,997.8	$ 2,667.8
Service cost	10.9	11.3
Interest cost	75.1	94.7	$ 86.3
Actuarial loss	235.1	364.1
Benefits paid	141.2	139.3
Plan participant’s contributions	0.4	1.7
Plan amendments	4.2	0.7
Foreign currency translation adjustments	31.4	(1.8)
Benefit obligation at end of year	3,205.3	2,997.8	2,667.8
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plans' assets at beginning of year	2,199.3	1,993.0
Actual return on plans’ assets	403.7	326.4
Employer contributions	2.4	14.9
Benefits paid	139.3	137.9
Foreign currency translation adjustments	3.0	2.9
Fair value of plans' assets at end of year	2,469.1	2,199.3	1,993.0
Qualified plans
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	730.3	792.7
Non-qualified plans
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	5.8
Benefit obligation at end of year	5.9	5.8
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	5.9	5.8
Foreign | Qualified plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employer contributions	2.1	2.4	2.6
U.S. | Qualified plans
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Employer contributions		12.5
Pension Plan
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	(736.2)	(798.5)
Pension Plan | Foreign
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	377.6	302.3
Service cost	10.0	10.3
Interest cost	4.4	6.0
Actuarial loss	31.6	64.6
Benefits paid	4.8	4.8
Plan participant’s contributions	0.4	1.7
Plan amendments	4.2	0.7
Foreign currency translation adjustments	31.4	(1.8)
Benefit obligation at end of year	446.4	377.6	302.3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plans' assets at beginning of year	76.7	67.2
Actual return on plans’ assets	6.4	7.6
Employer contributions	2.1	2.4
Benefits paid	2.9	3.4
Foreign currency translation adjustments	3.0	2.9
Fair value of plans' assets at end of year	85.3	76.7	67.2
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	(361.1)	(300.9)
Pension Plan | Foreign | Qualified plans
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	358.5	298.4
Pension Plan | Foreign | Non-qualified plans
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	2.6	2.5
Pension Plan | U.S.
Change in Benefit Obligation [Roll Forward]
Benefit obligation at beginning of year	2,620.2	2,365.5
Service cost	0.9	1.0
Interest cost	70.7	88.7
Actuarial loss	203.5	299.5
Benefits paid	136.4	134.5
Plan participant’s contributions	0.0	0.0
Plan amendments	0.0	0.0
Foreign currency translation adjustments	0.0	0.0
Benefit obligation at end of year	2,758.9	2,620.2	2,365.5
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plans' assets at beginning of year	2,122.6	1,925.8
Actual return on plans’ assets	397.3	318.8
Employer contributions	0.3	12.5
Benefits paid	136.4	134.5
Foreign currency translation adjustments	0.0	0.0
Fair value of plans' assets at end of year	2,383.8	2,122.6	$ 1,925.8
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	(375.1)	(497.6)
Pension Plan | U.S. | Qualified plans
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	371.8	494.3
Pension Plan | U.S. | Non-qualified plans
Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	$ 3.3	$ 3.3