Pension and Other Postemployment Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Defined Benefit Pension Plans [Member]

Components of Net Periodic Benefit Cost [Table Text Block]

The components of net periodic benefit cost for the three years ended December 31, 2011 were (in millions):

	2011			2010			2009
Service cost	$	5.8		$	3.9		$	4.4
Interest cost	6.5			6.1			6.7
Expected return on plan assets	(3.5		)	(3.5		)	(3.6		)
Amortization of prior service cost	3.1			2.5			2.5
Amortization of actuarial (gains) losses	0.3			0.6			1.6
Curtailments and settlements	—			1.2			1.4
	$	12.2		$	10.8		$	13.0

Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost [Table Text Block]

The weighted average assumptions used to determine net periodic benefit cost for the three years ended December 31, 2011 were:

	2011		2010		2009
Discount rate	5.1	%	5.6	%	5.6	%
Compensation increases	1.6	%	2.3	%	2.1	%
Expected return on plan assets	6.2	%	6.7	%	6.4	%

Amounts Recorded in Balance Sheet [Table Text Block]

At December 31, 2011 and 2010 the funded status was classified as follows (in millions):

	2011			2010
Other assets	$	1.9		$	3.0
Other current liabilities	(1.3		)	(1.1		)
Long-term liabilities	(96.4		)	(78.0		)
	$	(95.8	)	$	(76.1	)

Plans with Benefit Obligations in Excess of Plan Assets [Table Text Block]

At December 31, 2011 and 2010, plans with benefit obligations in excess of plan assets were (in millions):

	2011		2010
Benefit obligation	$	136.4	$	114.1
Plan assets	38.7		35.0
	$	97.7	$	79.1

Weighted Average Assumptions Used to Determine Benefit Obligation [Table Text Block]

At December 31, 2011 and 2010, the weighted average assumptions used to determine the benefit obligation were:

	2011		2010
Discount rate	4.6	%	5.0	%
Compensation increases	1.4	%	1.9	%

Estimated Future Benefit Payments [Table Text Block]

At December 31, 2011, the estimated future benefit payments expected to be paid are (in millions):

2012	$	4.1
2013	4.9
2014	7.7
2015	5.5
2016	5.8
2017 -2021	41.4
Thereafter	76.9
	$	146.3

Fair Value of Plan Assets [Table Text Block]

The fair value of plan assets at December 31, 2011 and 2010 were (in millions):

	Level 1		Level 2		Level 3		Total
2011
Cash	$	1.6					$	1.6
Mutual funds (a)	29.7						29.7
Unit trusts (b)	17.3						17.3
Insurance contracts (c)	—				$	1.7	1.7
Other (d)	—		$	0.2	—		0.2
	$	48.6	$	0.2	$	1.7	$	50.5

________________

(a) Equity funds represent 67% of the total and are primarily composed of U.S. large-cap and mid-cap companies, international companies and emerging market companies. Debt funds represent 33% of the total and are primarily composed of U.S. Treasury securities, corporate debt and mortgage securities.

(b) Equity funds represent 46% of the total and are primarily composed of U.K. large-cap companies and U.K., U.S. and eurozone equity index funds. Debt funds represent 54% of the total and are composed of U.K. government bonds and U.K. and eurozone corporate bonds.

(c) Insurance contracts are primarily composed of guaranteed insurance contracts.

(d) Commingled short-term investment funds.

	Level 1		Level 2		Level 3		Total
2010
Cash	$	1.0					$	1.0
Mutual funds (a)	24.9						24.9
Unit trusts (b)	18.8						18.8
Insurance contracts (c)	—				$	6.1	6.1
Other (d)	—		$	3.1	—		3.1
	$	44.7	$	3.1	$	6.1	$	53.9

________________

(a) Equity funds represent 63% of the total and are primarily composed of U.S. large-cap and mid-cap companies, international companies and emerging market companies. Debt funds represent 37% of the total and are primarily composed of U.S. Treasury securities, corporate debt and mortgage securities.

(b) Equity funds represent 54% of the total and are primarily composed of U.K. large-cap companies and U.K., U.S. and eurozone equity index funds. Debt funds represent 46% of the total and are composed of U.K. government bonds and U.K. and eurozone corporate bonds.

(c) Insurance contracts are primarily composed of guaranteed insurance contracts.

(d) Commingled short-term investment funds.

Changes in Fair Value of Plan Assets Measured Using Level 3 Inputs [Table Text Block]

At December 31, 2011 and 2010, changes in the fair value of plan assets measured using Level 3 inputs were (in millions):

	2011			2010
Beginning balance January 1	$	6.1		$	5.6
Actual return on assets	0.1			0.1
Purchases, sales and settlements, net	(4.5		)	0.4
Balance December 31	$	1.7		$	6.1

Weighted Average Plan Asset Allocations [Table Text Block]

The weighted average asset allocations at December 31, 2011 and 2010 were:

	2011				2010
	Target Allocation		Actual Allocation		Actual Allocation
Cash	2	%	3	%	2	%
Mutual funds	55	%	59	%	46	%
Unit trusts	37	%	34	%	35	%
Insurance contracts	3	%	3	%	11	%
Other	3	%	1	%	6	%
	100	%	100	%	100	%

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Cost [Table Text Block]

The components of net periodic benefit cost for the three years ended December 31, 2011 were (in millions):

	2011		2010		2009
Service cost	$	3.9	$	1.8	$	1.8
Interest cost	4.7		3.9		4.0
Amortization of prior service cost	0.6		0.6		0.8
Amortization of actuarial (gains) losses	2.1		1.0		0.5
	$	11.3	$	7.3	$	7.1

Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost [Table Text Block]

The weighted average assumptions used to determine net periodic benefit cost for the three years ended December 31, 2011 were:

	2011		2010		2009
Discount rate	5.0	%	5.0	%	5.3	%
Compensation increases	3.5	%	3.5	%	3.5	%

Benefit Obligation, Fair Value of Plan Assets and Funded Status of Defined Benefit Pension Plans [Table Text Block]

At December 31, 2011 and 2010, the benefit obligation, fair value of plan assets and the funded status of our defined benefit pension plans were (in millions):

	2011			2010
Benefit Obligation
Benefit obligation January 1	$	130.0		$	120.9
Service cost	5.8			3.9
Interest cost	6.5			6.1
Amendments, curtailments, and settlements	(13.6		)	2.6
Actuarial (gains) losses	23.1			7.2
Benefits paid	(5.1		)	(10.3		)
Foreign currency translation	(0.4		)	(0.4		)
Benefit obligation December 31	$	146.3		$	130.0
Fair Value of Plan Assets
Fair value of assets January 1	$	53.9		$	52.4
Actual return on plan assets	(0.6		)	4.5
Employer contributions	7.8			7.5
Benefits paid	(5.1		)	(10.3		)
Settlements	(5.4		)	—
Foreign currency translation	(0.1		)	(0.2		)
Fair value of plan assets December 31	$	50.5		$	53.9
Funded Status December 31	$	(95.8	)	$	(76.1	)

Benefit Obligation [Table Text Block]

At December 31, 2011 and 2010, the benefit obligation was (in millions):

	2011			2010
Benefit obligation January 1	$	104.7		$	87.7
Service cost	3.9			1.8
Interest cost	4.7			3.9
Plan amendment	—			20.4
Actuarial (gains) losses	2.6			0.9
Benefits paid	(10.7		)	(10.0		)
Benefit obligation December 31	$	105.2		$	104.7

Amounts Recorded in Balance Sheet [Table Text Block]

At December 31, 2011 and 2010, the liability was classified as follows (in millions):

	2011		2010
Other current liabilities	$	10.2	$	10.7
Long-term liabilities	95.0		94.0
	$	105.2	$	104.7

Weighted Average Assumptions Used to Determine Benefit Obligation [Table Text Block]

At December 31, 2011 and 2010, the weighted average assumptions used to determine the benefit obligation were:

	2011		2010
Discount rate	4.9	%	5.0	%
Compensation increases	3.5	%	3.5	%

Estimated Future Benefit Payments [Table Text Block]

At December 31, 2011, the estimated future benefit payments expected to be paid are (in millions):

2012	$	10.2
2013	9.8
2014	8.3
2015	7.2
2016	7.5
2017 - 2021	28.1
Thereafter	34.1
	$	105.2