Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2012

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,	2012			2011			2012			2011			2012			2011
Benefit Obligation
Projected benefit obligation as of January 1	$	129.0		$	130.9		$	456.6		$	431.1		$	50.8		$	51.8
Service cost	0.0			0.0			10.2			9.6			0.2			0.2
Interest cost	6.3			6.8			21.9			23.3			2.3			2.7
Benefits paid	(10.8		)	(11.9		)	(20.4		)	(21.2		)	(5.9		)	(6.2		)
Plan participant contributions	0.0			0.0			0.6			0.7			1.7			1.4
Actuarial losses (gains)	16.1			3.2			60.0			13.5			(2.5		)	0.9
Settlements and curtailments	0.0			0.0			(6.5		)	(5.8		)	0.0			0.0
Foreign currency effect	0.0			0.0			8.9			4.9			0.0			0.0
Other	0.0			0.0			1.1			0.5			0.0			0.0
Projected benefit obligation as of December 31	$	140.6		$	129.0		$	532.4		$	456.6		$	46.6		$	50.8
Fair Value of Plan Assets
Fair value of plan assets as of January 1	$	107.2		$	95.3		$	363.6		$	312.1		$	0.0		$	0.0
Actual return on plan assets	13.7			9.7			17.6			9.0			0.0			0.0
Employer contributions	5.6			14.1			17.7			65.0			4.2			4.8
Plan participant contributions	0.0			0.0			0.6			0.7			1.7			1.4
Benefits paid	(10.8		)	(11.9		)	(20.4		)	(21.2		)	(5.9		)	(6.2		)
Settlements	0.0			0.0			(6.1		)	(5.8		)	0.0			0.0
Foreign currency effect	0.0			0.0			8.7			3.8			0.0			0.0
																0.0
Fair value of plan assets as of December 31	$	115.7		$	107.2		$	381.7		$	363.6		$	0.0		$	0.0
Funded status of the plans at December 31	$	(24.9	)	$	(21.8	)	$	(150.7	)	$	(93.0	)	$	(46.6	)	$	(50.8	)

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
December 31,	2012			2011			2012			2011			2012			2011
Amounts recognized in Consolidated Balance Sheets
Non-current asset	$	0.0		$	0.0		$	7.4		$	19.6		$	0.0		$	0.0
Current liability	0.0			0.0			(8.4		)	(8.1		)	(4.6		)	(4.9		)
Non-current liability	(24.9		)	(21.8		)	(149.7		)	(104.5		)	(42.0		)	(45.9		)
Net liability recognized	$	(24.9	)	$	(21.8	)	$	(150.7	)	$	(93.0	)	$	(46.6	)	$	(50.8	)
Accumulated benefit obligation	$	140.6		$	129.0		$	508.5		$	432.8
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	$	53.6		$	49.9		$	115.7		$	55.2		$	4.2		$	6.7
Prior service cost (credit)	0.0			0.0			1.8			1.9			(0.2		)	(0.3		)
Transition obligation	0.0			0.0			0.0			0.0			0.0			0.1
Total amount recognized	$	53.6		$	49.9		$	117.5		$	57.1		$	4.0		$	6.5

In 2013, we estimate that we will recognize $8.3 and $2.9 of net actuarial losses from accumulated other comprehensive loss, net to net periodic cost related to our domestic pension plan and significant foreign pension plans, respectively.

	Domestic Pension Plan				Foreign Pension Plans
December 31,	2012		2011		2012		2011
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	$	140.6	$	129.0	$	515.8	$	132.6
Aggregate accumulated benefit obligation	140.6		129.0		497.3		127.0
Aggregate fair value of plan assets	115.7		107.2		358.5		20.2

Schedule of Net Benefit Costs

The components of net periodic benefit cost and key assumptions are listed below.

	Domestic Pension Plan									Foreign Pension Plans									Domestic Postretirement Benefit Plan
Years ended December 31,	2012			2011			2010			2012			2011			2010			2012			2011			2010
Service cost	$	0.0		$	0.0		$	0.0		$	10.2		$	9.6		$	9.7		$	0.2		$	0.2		$	0.3
Interest cost	6.3			6.8			7.3			21.9			23.3			22.8			2.3			2.7			2.8
Expected return on plan assets	(7.7		)	(7.5		)	(7.0		)	(18.2		)	(19.0		)	(17.0		)	0.0			0.0			0.0
Settlement and curtailment losses	0.0			0.0			0.0			0.7			0.0			1.4			0.0			0.0			0.0
Amortization of:
Transition obligation	0.0			0.0			0.0			0.0			0.0			0.0			0.2			0.1			0.2
Prior service cost (credit)	0.0			0.0			0.0			0.2			0.2			0.2			(0.1		)	(0.1		)	(0.1		)
Unrecognized actuarial losses	6.4			6.6			8.6			1.0			0.7			1.9			0.0			0.0			0.0
Net periodic cost	$	5.0		$	5.9		$	8.9		$	15.8		$	14.8		$	19.0		$	2.6		$	2.9		$	3.2

Assumptions

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
Years ended December 31,	2012		2011		2010		2012		2011		2010		2012		2011		2010
Net periodic cost
Discount rate	5.00	%	5.50	%	5.51	%	5.00	%	5.45	%	5.50	%	5.00	%	5.50	%	5.50	%
Rate of compensation increase	N/A		N/A		N/A		3.66	%	4.37	%	4.43	%	N/A		N/A		N/A
Expected return on plan assets	7.25	%	7.50	%	7.49	%	5.02	%	5.88	%	5.84	%	N/A		N/A		N/A
Benefit obligation
Discount rate	4.00	%	5.00	%	5.50	%	4.32	%	5.00	%	5.45	%	4.00	%	5.00	%	5.50	%
Rate of compensation increase	N/A		N/A		N/A		3.57	%	3.66	%	4.34	%	N/A		N/A		N/A
Health care cost trend rate assumed for next year
Initial rate (weighted-average)													8.00	%	8.00	%	8.50	%
Year ultimate rate is reached													2019		2016		2017
Ultimate rate													5.00	%	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, 2012 and 2011, 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, 2012								December 31, 2011
Asset Class	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Investment funds	$	22.3	$	327.9	$	48.2	$	398.4	$	18.4	$	307.1	$	43.8	$	369.3
Insurance contracts	0.0		24.8		0.0		24.8		0.0		24.8		0.0		24.8
Limited partnerships	0.0		0.0		39.8		39.8		0.0		0.0		41.1		41.1
Other	28.6		5.5		0.3		34.4		31.1		4.4		0.1		35.6
Total	$	50.9	$	358.2	$	88.3	$	497.4	$	49.5	$	336.3	$	85.0	$	470.8

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, 2012									Year ended December 31, 2011
	Investment Funds		Limited Partnerships			Other		Total		Investment Funds			Limited Partnerships			Other		Total
Balance at beginning of period	$	43.8	$	41.1		$	0.1	$	85.0	$	53.9		$	3.2		$	0.1	$	57.2
Actual return on assets:
Assets sold during the year	0.0		0.0			0.0		0.0		0.1			0.0			0.0		0.1
Assets still held at year end	2.2		(1.3		)	0.0		0.9		(0.6		)	(1.2		)	0.0		(1.8		)
Net purchases, sales and settlements	2.2		0.0			0.2		2.4		(9.6		)	39.1			0.0		29.5
Balance at end of period	$	48.2	$	39.8		$	0.3	$	88.3	$	43.8		$	41.1		$	0.1	$	85.0

Schedule of Allocation of Plan Assets

As of December 31, 2012, the weighted-average target and actual asset allocations relating to our domestic and foreign pension plans' assets are listed below.

			December 31,
Asset Class	2013 Target Allocation		2012		2011
Equity securities	23	%	22	%	20	%
Fixed income securities	48	%	44	%	47	%
Real estate	5	%	5	%	1	%
Other	24	%	29	%	32	%
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
2013	$	10.1	$	22.0	$	5.0
2014	9.8		23.0		4.8
2015	9.6		23.2		4.7
2016	9.3		26.0		4.4
2017	9.1		25.9		4.2
2018 - 2022	42.8		143.5		17.5

Schedule of Federal Subsidies

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

Years	Domestic Postretirement Benefit Plan
2013	$	0.4
2014	0.5
2015	0.5
2016	0.5
2017	0.5
2018 - 2022	0.9