EMPLOYEE BENEFITS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Amounts in the consolidated balance sheets include:
Pension, post retirement and post employment liabilities	$ (157.2)	$ (71.7)
Accumulated benefit obligation in excess of plan assets
Projected benefit obligation	399.0	298.6
Accumulated benefit obligation	369.9	267.9
Fair value of plan assets	241.6	227.4
Pension Benefits
Changes in benefit obligations
Beginning benefit obligations	312.4	309.5
Service cost - benefits earned during the period	3.5	2.9	2.4
Interest cost on projected benefit obligations	17.0	17.8	16.9
Actuarial assumptions losses	90.7	5.2
Settlements	(17.4)	(21.4)
Benefits paid	(2.2)	(1.1)
Exchange rate changes	(1.3)	(0.5)
Benefit obligations at end of year	402.7	312.4	309.5
Change in fair value of plan assets:
Beginning fair value of plan assets	269.4	209.1
Actual return on plan assets	22.0	27.7
Employer contributions	9.5	55.4	27.1
Settlements	(17.4)	(21.4)
Benefits paid	(2.2)	(1.1)
Exchange rate changes	(0.6)	(0.3)
Fair value of plan assets at end of year	280.7	269.4	209.1
Underfunded status at end of year	(122.0)	(43.0)
Amounts in the consolidated balance sheets include:
Other assets	5.0	4.3
Pension, post retirement and post employment liabilities	(127.0)	(47.3)
Balance in the consolidated balance sheet at end of year	(122.0)	(43.0)
Amounts in accumulated other comprehensive loss include:
Net actuarial loss	208.6	134.9
Transition obligation	0.3	0.4
Balance in accumulated other comprehensive loss at end of year	208.9	135.3
Accumulated benefit obligation	362.8	271.6
Changes in net periodic benefit cost
Service cost - benefits earned during the period	3.5	2.9	2.4
Interest cost on projected benefit obligations	17.0	17.8	16.9
Expected return on plan assets	(18.2)	(16.1)	(15.9)
Amortization of net actuarial loss	3.3	3.0	1.4
Amortization of transition cost	0.1
Sub-total	5.7	7.6	4.8
Settlements	9.7	10.6	10.6
Total net periodic benefit cost	15.4	18.2	15.4
Estimated net actuarial loss and prior service cost that will be amortized from accumulated other comprehensive income into net periodic benefit cost in the next fiscal year
Amortization of net actuarial loss	5.3
Amortization of transition cost	0.1
Amount amortized from accumulated other comprehensive income into net periodic benefit cost in 2012	5.4
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	4.00%	5.59%
Rate of compensation increase (as a percent)	4.03%	4.02%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate (as a percent)	5.59%	5.88%	7.08%
Expected long term return on plan assets (as a percent)	6.91%	7.38%	8.34%
Rate of compensation increase (as a percent)	4.02%	3.67%	3.72%
Amortization of actuarial gains and losses exceeding the percentage of higher of market value or projected benefit obligation	10.00%
U.S. Pension Plan
Defined benefit pension and post retirement benefit plans disclosures
Percentage in total pension assets and obligations	80.00%
Weighted-average assumptions used to determine net periodic benefit cost
Expected long term return on plan assets in next fiscal year (as a percent)	6.25%
Other Benefits
Changes in benefit obligations
Beginning benefit obligations	24.4	20.7
Service cost - benefits earned during the period	0.9	1.0	0.7
Interest cost on projected benefit obligations	1.3	1.1	1.0
Actuarial assumptions losses	3.9	1.8
Plan amendments and other		(0.1)
Benefits paid	(0.2)	(0.1)
Exchange rate changes	(0.1)
Benefit obligations at end of year	30.2	24.4	20.7
Change in fair value of plan assets:
Employer contributions	0.2	0.1
Benefits paid	(0.2)	(0.1)
Underfunded status at end of year	(30.2)	(24.4)
Amounts in the consolidated balance sheets include:
Pension, post retirement and post employment liabilities	(30.2)	(24.4)
Balance in the consolidated balance sheet at end of year	(30.2)	(24.4)
Amounts in accumulated other comprehensive loss include:
Net actuarial loss	16.6	14.4
Prior service (benefit)	(0.6)	(0.9)
Balance in accumulated other comprehensive loss at end of year	16.0	13.5
Accumulated benefit obligation	30.2	24.4
Changes in net periodic benefit cost
Service cost - benefits earned during the period	0.9	1.0	0.7
Interest cost on projected benefit obligations	1.3	1.1	1.0
Amortization of prior service (benefit)	(0.2)	(0.2)	(0.1)
Amortization of net actuarial loss	1.7	1.2	0.8
Sub-total	3.7	3.1	2.4
Total net periodic benefit cost	3.7	3.1	2.4
Estimated net actuarial loss and prior service cost that will be amortized from accumulated other comprehensive income into net periodic benefit cost in the next fiscal year
Amortization of net actuarial loss	1.9
Amortization of prior service (benefit)	(0.2)
Amount amortized from accumulated other comprehensive income into net periodic benefit cost in 2012	$ 1.7
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	4.28%	5.28%
Rate of compensation increase (as a percent)	3.95%	3.94%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate (as a percent)	5.28%	5.53%	7.28%
Rate of compensation increase (as a percent)	3.94%	3.53%	3.58%
Amortization of actuarial gains and losses exceeding the percentage of higher of market value or projected benefit obligation	10.00%