Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2011

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures

The change in the benefit obligation, the change in plan assets, the funded status and amounts recognized for the domestic pension plan, the significant foreign pension plans and the domestic postretirement benefit plan are listed below.

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
December 31,	2011			2010			2011			2010			2011			2010
Benefit Obligation
Projected benefit obligation as of January 1	$	130.9		$	139.6		$	431.1		$	464.0		$	51.8		$	55.1
Service cost	0.0			0.0			9.6			9.7			0.2			0.3
Interest cost	6.8			7.3			23.3			22.8			2.7			2.8
Benefits paid	(11.9		)	(16.6		)	(21.2		)	(21.1		)	(6.2		)	(7.0		)
Plan participant contributions	0.0			0.0			0.7			0.7			1.4			1.5
Actuarial losses (gains)	3.2			0.6			13.5			(2.3		)	0.9			(0.9		)
Curtailments and settlements	0.0			0.0			(5.8		)	(12.2		)	0.0			0.0
Foreign currency effect	0.0			0.0			4.9			(15.1		)	0.0			0.0
Other	0.0			0.0			0.5			(15.4		)	0.0			0.0
Projected benefit obligation as of December 31	$	129.0		$	130.9		$	456.6		$	431.1		$	50.8		$	51.8
Fair Value of Plan Assets
Fair value of plan assets as of January 1	$	95.3		$	91.1		$	312.1		$	300.2		$	0.0		$	0.0
Actual return on plan assets	9.7			11.2			9.0			28.3			0.0			0.0
Employer contributions	14.1			9.6			65.0			28.1			4.8			5.5
Plan participant contributions	0.0			0.0			0.7			0.7			1.4			1.5
Benefits paid	(11.9		)	(16.6		)	(21.2		)	(21.1		)	(6.2		)	(7.0		)
Settlements	0.0			0.0			(5.8		)	(12.2		)	0.0			0.0
Foreign currency effect	0.0			0.0			3.8			(7.4		)	0.0			0.0
Other	0.0			0.0			0.0			(4.5		)	0.0			0.0
																0.0
Fair value of plan assets as of December 31	$	107.2		$	95.3		$	363.6		$	312.1		$	0.0		$	0.0
Funded status of the plans at December 31	$	(21.8	)	$	(35.6	)	$	(93.0	)	$	(119.0	)	$	(50.8	)	$	(51.8	)

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
December 31,	2011			2010			2011			2010			2011			2010
Amounts recognized in Consolidated Balance Sheets
Non-current asset	$	0.0		$	0.0		$	19.6		$	8.1		$	0.0		$	0.0
Current liability	0.0			0.0			(8.1		)	(9.3		)	(4.9		)	(4.5		)
Non-current liability	(21.8		)	(35.6		)	(104.5		)	(117.8		)	(45.9		)	(47.3		)
Net liability recognized	$	(21.8	)	$	(35.6	)	$	(93.0	)	$	(119.0	)	$	(50.8	)	$	(51.8	)
Accumulated benefit obligation	$	129.0		$	130.9		$	432.8		$	408.8
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	$	49.9		$	55.5		$	55.2		$	32.3		$	6.7		$	5.7
Prior service cost (credit)	0.0			0.1			1.9			1.6			(0.3		)	(0.4		)
Transition obligation	0.0			0.0			0.0			0.0			0.1			0.3
Total amount recognized	$	49.9		$	55.6		$	57.1		$	33.9		$	6.5		$	5.6

In 2012, we estimate that we will recognize $6.1, $1.0 and $0.2 of net actuarial losses from accumulated other comprehensive loss, net to net periodic cost related to our domestic pension plan, significant foreign pension plans and domestic postretirement benefit plan, respectively.

	Domestic Pension Plan				Foreign Pension Plans
December 31,	2011		2010		2011		2010
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	$	129.0	$	130.9	$	132.6	$	411.5
Aggregate accumulated benefit obligation	129.0		130.9		127.0		394.4
Aggregate fair value of plan assets	107.2		95.3		20.2		285.7

Schedule of Net Benefit Costs

	Domestic Pension Plan									Foreign Pension Plans									Domestic Postretirement Benefit Plan
Years ended December 31,	2011			2010			2009			2011			2010			2009			2011			2010			2009
Service cost	$	0.0		$	0.0		$	0.0		$	9.6		$	9.7		$	11.7		$	0.2		$	0.3		$	0.4
Interest cost	6.8			7.3			8.0			23.3			22.8			23.2			2.7			2.8			3.1
Expected return on plan assets	(7.5		)	(7.0		)	(7.4		)	(19.0		)	(17.0		)	(13.7		)	0.0			0.0			0.0
Curtailment and settlement losses	0.0			0.0			0.0			0.0			1.4			2.5			0.0			0.0			0.0
Amortization of:
Transition obligation	0.0			0.0			0.0			0.0			0.0			0.0			0.1			0.2			0.1
Prior service cost (credit)	0.0			0.0			0.1			0.2			0.2			0.2			(0.1		)	(0.1		)	(0.1		)
Unrecognized actuarial losses	6.6			8.6			9.8			0.7			1.9			2.3			0.0			0.0			0.0
Net periodic cost	$	5.9		$	8.9		$	10.5		$	14.8		$	19.0		$	26.2		$	2.9		$	3.2		$	3.5

Assumptions

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
Years ended December 31,	2011		2010		2009		2011		2010		2009		2011		2010		2009
Net periodic cost
Discount rate	5.50	%	5.51	%	6.01	%	5.45	%	5.50	%	5.54	%	5.50	%	5.50	%	6.00	%
Rate of compensation increase	N/A		N/A		N/A		4.37	%	4.43	%	4.41	%	N/A		N/A		N/A
Expected return on plan assets	7.50	%	7.49	%	8.16	%	5.88	%	5.84	%	5.05	%	N/A		N/A		N/A
Benefit obligation
Discount rate	5.00	%	5.50	%	5.53	%	5.00	%	5.45	%	5.51	%	5.00	%	5.50	%	5.50	%
Rate of compensation increase	N/A		N/A		N/A		3.66	%	4.34	%	4.43	%	N/A		N/A		N/A
Health care cost trend rate assumed for next year
Initial rate (weighted-average)													8.00	%	8.50	%	8.00	%
Year ultimate rate is reached													2016		2017		2015
Ultimate rate													5.50	%	5.50	%	5.50	%

Fair Value of Pension Plan Assets

The following table presents the fair value of our domestic and foreign pension plans' assets as of December 31, 2011 and 2010, and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value. See Note 11 for a description of the fair value hierarchy.

	December 31, 2011								December 31, 2010
Asset Class	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Investment funds	$	18.4	$	307.1	$	43.8	$	369.3	$	19.5	$	289.1	$	53.9	$	362.5
Insurance contracts	0.0		24.8		0.0		24.8		0.0		25.1		0.0		25.1
Limited partnerships	0.0		0.0		41.1		41.1		0.0		0.0		3.2		3.2
Other	31.1		4.4		0.1		35.6		13.3		3.2		0.1		16.6
Total	$	49.5	$	336.3	$	85.0	$	470.8	$	32.8	$	317.4	$	57.2	$	407.4

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets

The following table presents additional information about our domestic and foreign pension plans' assets for which we utilize Level 3 inputs to determine fair value.

	Year ended December 31, 2011											Year ended December 31, 2010
	Investment Funds			Limited Partnership			Other		Total			Investment Funds			Limited Partnership			Other			Total
Balance at beginning of period	$	53.9		$	3.2		$	0.1	$	57.2		$	38.6		$	4.7		$	0.5		$	43.8
Actual return on assets:
Assets sold during the year	0.1			0.0			0.0		0.1			(0.4		)	(0.2		)	0.0			(0.6		)
Assets still held at year end	(0.6		)	(1.2		)	0.0		(1.8		)	6.5			0.2			0.0			6.7
Net purchases, sales and settlements	(9.6		)	39.1			0.0		29.5			3.0			(1.5		)	0.0			1.5
Transfers in/out of Level 3	0.0			0.0			0.0		0.0			6.2			0.0			(0.4		)	5.8
Balance at end of period	$	43.8		$	41.1		$	0.1	$	85.0		$	53.9		$	3.2		$	0.1		$	57.2

Schedule of Allocation of Plan Assets

As of December 31, 2011, the weighted-average target and actual asset allocations relating to our domestic and foreign pension plans' assets are listed below.

			December 31,
Asset Class	2012 Target Allocation		2011		2010
Equity securities	25	%	20	%	26	%
Fixed income securities	47	%	47	%	47	%
Other	28	%	33	%	27	%
Total	100	%	100	%	100	%

Schedule of Estimated Future Benefit Payments

The following estimated future benefit payments, which reflect future service, as appropriate, are expected to be paid in the years indicated below.

Years	Domestic Pension Plan		Foreign Pension Plans		Domestic Postretirement Benefit Plan
2012	$	11.0	$	21.8	$	5.4
2013	10.9		24.2		5.4
2014	10.6		24.8		5.3
2015	9.9		25.8		5.1
2016	10.3		26.7		5.0
2017 - 2021	44.4		153.7		21.7

Schedule of Federal Subsidies

The following federal subsidies are expected to be received in the years indicated below.

Years	Domestic Postretirement Benefit Plan
2012	$	0.5
2013	0.6
2014	0.6
2015	0.5
2016	0.5
2017 - 2021	1.4