Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

The following tables provide the changes in the benefit obligation and fair value of plan assets and statements of the funded status of the plans.

	Pension Benefits
	U.S. Plans						Non U.S. Plans						OPEB
	2011			2010			2011			2010			2011			2010
	(in millions of dollars)
Change in Benefit Obligation
Benefit Obligation at Beginning of Year	$	1,352.7		$	1,123.6		$	152.9		$	173.5		$	185.1		$	190.6
Service Cost	42.7			36.5			4.8			4.9			1.9			2.6
Interest Cost	77.6			71.1			8.8			9.5			10.0			10.8
Plan Participant Contributions	—			—			—			—			3.4			3.2
Actuarial (Gain) Loss	138.4			148.6			9.3			(25.3		)	5.6			(7.2		)
Benefits and Expenses Paid	(31.6		)	(27.1		)	(4.1		)	(3.6		)	(15.1		)	(14.9		)
Change in Foreign Exchange Rates	—			—			(1.3		)	(6.1		)	—			—
Benefit Obligation at End of Year	$	1,579.8		$	1,352.7		$	170.4		$	152.9		$	190.9		$	185.1
Accumulated Benefit Obligation at December 31	$	1,462.2		$	1,243.6		$	160.9		$	141.7		N/A			N/A
Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year	$	1,179.6		$	888.5		$	176.0		$	160.8		$	11.9		$	11.9
Actual Return on Plan Assets	18.5			146.3			12.5			19.1			0.2			0.4
Employer Contributions	4.3			171.9			4.7			5.0			11.3			11.3
Plan Participant Contributions	—			—			—			—			3.4			3.2
Benefits and Expenses Paid	(31.6		)	(27.1		)	(4.1		)	(3.6		)	(15.1		)	(14.9		)
Change in Foreign Exchange Rates	—			—			(1.1		)	(5.3		)	—			—
Fair Value of Plan Assets at End of Year	$	1,170.8		$	1,179.6		$	188.0		$	176.0		$	11.7		$	11.9
Underfunded (Overfunded) Status	$	409.0		$	173.1		$	(17.6	)	$	(23.1	)	$	179.2		$	173.2

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

The amounts recognized in our consolidated balance sheets for our pension and OPEB plans at December 31, 2011 and 2010 are as follows:

	Pension Benefits
	U.S. Plans						Non U.S. Plans						OPEB
	2011			2010			2011			2010			2011			2010
	(in millions of dollars)
Current Liability	$	4.5		$	4.2		$	—		$	—		$	14.4		$	14.1
Noncurrent Liability	404.5			168.9			—			—			164.8			159.1
Noncurrent Asset	—			—			(17.6		)	(23.1		)	—			—
Underfunded (Overfunded) Status	$	409.0		$	173.1		$	(17.6	)	$	(23.1	)	$	179.2		$	173.2
Unrecognized Pension and Postretirement Benefit Costs
Net Actuarial Gain (Loss)	$	(673.1	)	$	(497.5	)	$	(25.0	)	$	(16.3	)	$	(4.1	)	$	1.4
Prior Service Credit (Cost)	(0.2		)	0.3			(0.2		)	(0.2		)	4.9			7.5
	(673.3		)	(497.2		)	(25.2		)	(16.5		)	0.8			8.9
Deferred Income Tax Asset	235.7			174.0			8.0			5.8			9.9			6.4
Total Included in Accumulated Other Comprehensive Income (Loss)	$	(437.6	)	$	(323.2	)	$	(17.2	)	$	(10.7	)	$	10.7		$	15.3

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

The following table provides the changes recognized in other comprehensive income for the years ended December 31, 2011 and 2010.

	Pension Benefits
	U.S. Plans						Non U.S. Plans						OPEB
	2011			2010			2011			2010			2011			2010
	(in millions of dollars)
Accumulated Other Comprehensive Income (Loss) at Beginning of Year	$	(323.2	)	$	(294.1	)	$	(10.7	)	$	(39.5	)	$	15.3		$	2.9
Net Actuarial Loss
Amortization	31.9			29.8			—			2.4			—			—
All Other Changes	(207.5		)	(72.8		)	(8.7		)	36.1			(5.5		)	7.0
Prior Service Credit Amortization	(0.5		)	(0.5		)	—			—			(2.6		)	(2.6		)
Change in Deferred Income Tax Asset	61.7			14.4			2.2			(9.7		)	3.5			8.0
Accumulated Other Comprehensive Income (Loss) at End of Year	$	(437.6	)	$	(323.2	)	$	(17.2	)	$	(10.7	)	$	10.7		$	15.3

Schedule of Assumptions Used [Table Text Block]

We use a December 31 measurement date for each of our plans. The weighted average assumptionsused in the measurement of our benefit obligations as of December 31 and our net periodic benefit costs for the years ended December 31 are as follows:

	Pension Benefits
	U.S. Plans				Non U.S. Plans				OPEB
	2011		2010		2011		2010		2011		2010
Benefit Obligations
Discount Rate	5.40	%	5.80	%	4.90	%	5.60	%	5.20	%	5.60	%
Rate of Compensation Increase	4.00	%	4.00	%	3.85	%	4.50	%	—	%	—	%
Net Periodic Benefit Cost
Discount Rate	5.80	%	6.40	%	5.60	%	5.70	%	5.60	%	5.90	%
Expected Return on Plan Assets	7.50	%	7.50	%	6.70	%	6.90	%	5.75	%	5.75	%
Rate of Compensation Increase	4.00	%	4.00	%	4.50	%	4.50	%	—	%	—	%

Schedule of Net Benefit Costs [Table Text Block]

The following table provides the components of the net periodic benefit cost for the plans described above for the years ended December 31.

	Pension Benefits
	U.S. Plans									Non U.S. Plans									OPEB
	2011			2010			2009			2011			2010			2009			2011			2010			2009
	(in millions of dollars)
Service Cost	$	42.7		$	36.5		$	29.6		$	4.8		$	4.9		$	4.9		$	1.9		$	2.6		$	2.9
Interest Cost	77.6			71.1			64.0			8.8			9.5			8.7			10.0			10.8			11.3
Expected Return on Plan Assets	(87.6		)	(70.5		)	(52.8		)	(12.2		)	(10.7		)	(9.4		)	(0.7		)	(0.6		)	(0.7		)
Amortization of:
Net Actuarial Loss	31.9			29.8			41.1			—			2.4			2.4			—			—			—
Prior Service Credit	(0.5		)	(0.5		)	(0.5		)	—			—			—			(2.6		)	(2.6		)	(2.8		)
Total	$	64.1		$	66.4		$	81.4		$	1.4		$	6.1		$	6.6		$	8.6		$	10.2		$	10.7

Schedule of Expected Benefit Payments [Table Text Block]

The following table provides expected benefit payments, which reflect expected future service, as appropriate.

	Pension Benefits
	U.S. Plans		Non U.S. Plans		OPEB
	(in millions of dollars)
Year					Gross		Subsidy Payments		Net
2012	$	33.3	$	4.6	$	16.0	$	1.6	$	14.4
2013	37.2		5.1		16.4		1.8		14.6
2014	41.8		5.3		16.6		1.9		14.7
2015	46.4		5.8		16.7		2.1		14.6
2016	52.5		5.9		16.6		2.2		14.4
2017-2021	366.7		37.1		79.1		12.7		66.4

Pension Benefits, U.S. Plans

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The categorization of fair value measurements by input level for the invested assets in our U.S. pension plans is as follows:

	December 31, 2011
	(in millions of dollars)
	Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Invested Assets
Equity Securities:
U.S. Large Cap	$	—	$	237.4	$	—	$	237.4
U.S. Mid Cap	—		96.4		—		96.4
U.S. Small Cap	131.1		45.0		—		176.1
International	80.3		85.1		—		165.4
Emerging Markets	—		51.6		—		51.6
Fixed Income Securities:
U.S. Government and Agencies	145.7		9.5		—		155.2
Corporate	71.8		139.4		—		211.2
Alternative Investments:
Private Equity Funds of Funds	—		—		23.7		23.7
Hedge Funds of Funds	—		—		44.3		44.3
Cash Equivalents	6.2		—		—		6.2
Total	$	435.1	$	664.4	$	68.0	$	1,167.5

Note 8 - Pensions and Other Postretirement Benefits - Continued

	December 31, 2010
	(in millions of dollars)
	Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Invested Assets
Equity Securities:
U.S. Large Cap	$	—	$	243.5	$	—	$	243.5
U.S. Mid Cap	—		98.1		—		98.1
U.S. Small Cap	146.9		50.7		—		197.6
International	—		191.2		—		191.2
Emerging Markets	—		64.0		—		64.0
Fixed Income Securities:
U.S. Government and Agencies	119.9		9.7		—		129.6
Corporate	69.5		113.7		—		183.2
Alternative Investments:
Private Equity Funds of Funds	—		—		15.0		15.0
Hedge Funds of Funds	—		—		46.0		46.0
Cash Equivalents	8.8		—		—		8.8
Total	$	345.1	$	770.9	$	61.0	$	1,177.0

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Changes in our U.S. pension plans' assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the years ended December 31, 2011 and 2010 are as follows:

	Year Ended December 31, 2011
	(in millions of dollars)
	Beginning of Year		Actual Return on Plan Assets						Purchases		Sales			Level 3 Transfers				End of Year
			Held at Year End			Sold During the Year								Into		Out of
Private Equity Funds of Funds	$	15.0	$	3.0		$	—		$	6.5	$	(0.8	)	$	—	$	—	$	23.7
Hedge Funds of Funds	46.0		(1.6		)	(0.1		)	6.9		(6.9		)	—		—		44.3
Total	$	61.0	$	1.4		$	(0.1	)	$	13.4	$	(7.7	)	$	—	$	—	$	68.0

	Year Ended December 31, 2010
	(in millions of dollars)
	Beginning of Year		Actual Return on Plan Assets				Purchases		Sales		Level 3 Transfers				End of Year
			Held at Year End		Sold During the Year						Into		Out of
Private Equity Funds of Funds	$	8.2	$	0.6	$	—	$	6.2	$	—	$	—	$	—	$	15.0
Hedge Funds of Funds	37.8		2.8		—		5.4		—		—		—		46.0
Total	$	46.0	$	3.4	$	—	$	11.6	$	—	$	—	$	—	$	61.0

Pension Benefits, Non U.S. Plans

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The categorization of fair value measurements by input level for the assets in our U.K. pension plan is as follows:

	December 31, 2011
	(in millions of dollars)
	Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Plan Assets
Diversified Growth Assets	$	—	$	123.7	$	—	$	123.7
Fixed Interest and Index-linked Securities	—		63.5		—		63.5
Cash Equivalents	0.8		—		—		0.8
Total Plan Assets	$	0.8	$	187.2	$	—	$	188.0

Note 8 - Pensions and Other Postretirement Benefits - Continued

	December 31, 2010
	(in millions of dollars)
	Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Plan Assets
Diversified Growth Assets	$	—	$	106.6	$	—	$	106.6
U.K. Fixed Interest Corporate Bonds	—		61.1		—		61.1
U.K. Index-linked Government Bonds	—		8.1		—		8.1
Cash Equivalents	0.2		—		—		0.2
Total Plan Assets	$	0.2	$	175.8	$	—	$	176.0

Level 2 assets consist of funds that are valued based on the NAV of the underlying holdings. These investments have no unfunded commitments and no specific redemption restrictions.

Other Postretirement Benefit Plans

Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The categorization of fair value measurements by input level for the assets in our OPEB plan is as follows:

	December 31, 2011
	(in millions of dollars)
	Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Life Insurance Contracts	$	—	$	—	$	11.7	$	11.7

	December 31, 2010
	(in millions of dollars)
	Quoted Prices in Active Markets for Identical Assets or Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets
Life Insurance Contracts	$	—	$	—	$	11.9	$	11.9

The fair value is represented by the actuarial present value of future cash flows of the contracts.

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

Changes in our OPEB plan assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the years ended December 31, 2011 and 2010 are as follows:

	Year Ended December 31, 2011
	(in millions of dollars)
	Beginning of Year		Actual Return on Plan Assets		Contributions		Net Benefits and Expenses Paid			End of Year
Life Insurance Contracts	$	11.9	$	0.2	$	14.7	$	(15.1	)	$	11.7

	Year Ended December 31, 2010
	(in millions of dollars)
	Beginning of Year		Actual Return on Plan Assets		Contributions		Net Benefits and Expenses Paid			End of Year
Life Insurance Contracts	$	11.9	$	0.4	$	14.5	$	(14.9	)	$	11.9

For the years end December 31, 2011 and 2010, the actual return on plan assets relates solely to investments still held at the reporting date. There were no transfers into or out of level 3 during 2011 or 2010.