(Tables)

12 Months Ended

Dec. 31, 2014

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,	2014			2013			2014			2013			2014			2013
Benefit Obligation
Projected benefit obligation as of January 1	$	133.1		$	140.6		$	569.9		$	532.4		$	37.9		$	46.6
Service cost	0.0			0.0			10.3			9.9			0.1			0.1
Interest cost	6.2			5.5			23.4			21.7			1.7			1.6
Benefits paid	(10.4		)	(10.4		)	(24.1		)	(23.8		)	(5.6		)	(6.4		)
Plan participant contributions	0.0			0.0			0.6			0.5			1.5			1.7
Actuarial losses (gains)	18.0			(2.6		)	55.7			25.0			4.4			(5.7		)
Settlements and curtailments	0.0			0.0			(4.0		)	(3.1		)	0.0			0.0
Foreign currency effect	0.0			0.0			(42.8		)	8.1			0.0			0.0
Other	0.0			0.0			0.5			(0.8		)	(0.5		)	0.0
Projected benefit obligation as of December 31	$	146.9		$	133.1		$	589.5		$	569.9		$	39.5		$	37.9
Fair Value of Plan Assets
Fair value of plan assets as of January 1	$	109.6		$	115.7		$	398.5		$	381.7		$	0.0		$	0.0
Actual return on plan assets	9.6			3.8			44.7			19.5			0.0			0.0
Employer contributions	2.7			0.5			25.7			18.3			4.1			4.7
Plan participant contributions	0.0			0.0			0.6			0.5			1.5			1.7
Benefits paid	(10.4		)	(10.4		)	(24.1		)	(23.8		)	(5.6		)	(6.4		)
Settlements	0.0			0.0			(4.0		)	(2.7		)	0.0			0.0
Foreign currency effect	0.0			0.0			(25.9		)	5.0			0.0			0.0
																0.0
Fair value of plan assets as of December 31	$	111.5		$	109.6		$	415.5		$	398.5		$	0.0		$	0.0
Funded status of the plans at December 31	$	(35.4	)	$	(23.5	)	$	(174.0	)	$	(171.4	)	$	(39.5	)	$	(37.9	)

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
December 31,	2014			2013			2014			2013			2014			2013
Amounts recognized in Consolidated Balance Sheets
Non-current asset	$	0.0		$	0.0		$	8.3		$	8.0		$	0.0		$	0.0
Current liability	0.0			0.0			(8.0		)	(7.6		)	(4.0		)	(4.2		)
Non-current liability	(35.4		)	(23.5		)	(174.3		)	(171.8		)	(35.5		)	(33.7		)
Net liability recognized	$	(35.4	)	$	(23.5	)	$	(174.0	)	$	(171.4	)	$	(39.5	)	$	(37.9	)
Accumulated benefit obligation	$	146.9		$	133.1		$	566.2		$	540.9
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss (gain)	$	56.1		$	47.0		$	161.0		$	141.0		$	2.9		$	(1.5	)
Prior service cost (credit)	0.0			0.0			1.1			1.5			(0.4		)	(0.1		)
Transition obligation	0.0			0.0			0.0			0.0			0.0			0.0
Total amount recognized	$	56.1		$	47.0		$	162.1		$	142.5		$	2.5		$	(1.6	)

In 2015, we estimate that we will recognize $8.2 and $4.6 of net actuarial losses from accumulated other comprehensive loss, net into net periodic cost related to our domestic pension plan and significant foreign pension plans, respectively.

	Domestic Pension Plan				Foreign Pension Plans
December 31,	2014		2013		2014		2013
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	$	146.9	$	133.1	$	577.1	$	553.2
Aggregate accumulated benefit obligation	146.9		133.1		559.5		528.7
Aggregate fair value of plan assets	111.5		109.6		395.8		374.7

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,	2014			2013			2012			2014			2013			2012			2014			2013			2012
Service cost	$	0.0		$	0.0		$	0.0		$	10.3		$	9.9		$	10.2		$	0.1		$	0.1		$	0.2
Interest cost	6.2			5.5			6.3			23.4			21.7			21.9			1.7			1.6			2.3
Expected return on plan assets	(7.3		)	(7.7		)	(7.7		)	(24.7		)	(19.2		)	(18.2		)	0.0			0.0			0.0
Settlement and curtailment losses (gains)	0.0			0.0			0.0			0.5			(0.1		)	0.7			0.0			0.0			0.0
Amortization of:
Transition obligation	0.0			0.0			0.0			0.0			0.0			0.0			0.0			0.0			0.2
Prior service cost (credit)	0.0			0.0			0.0			0.2			0.2			0.2			(0.2		)	(0.1		)	(0.1		)
Unrecognized actuarial losses	6.6			7.9			6.4			3.4			2.8			1.0			0.0			0.0			0.0
Net periodic cost	$	5.5		$	5.7		$	5.0		$	13.1		$	15.3		$	15.8		$	1.6		$	1.6		$	2.6

Assumptions

	Domestic Pension Plan						Foreign Pension Plans						Domestic Postretirement Benefit Plan
Years ended December 31,	2014		2013		2012		2014		2013		2012		2014		2013		2012
Net periodic cost
Discount rate	4.85	%	4.00	%	5.00	%	4.29	%	4.32	%	5.00	%	4.85	%	4.00	%	5.00	%
Rate of compensation increase	N/A		N/A		N/A		3.97	%	3.57	%	3.66	%	N/A		N/A		N/A
Expected return on plan assets	7.00	%	7.00	%	7.25	%	6.18	%	5.24	%	5.02	%	N/A		N/A		N/A
Benefit obligation
Discount rate	4.15	%	4.85	%	4.00	%	3.41	%	4.29	%	4.32	%	4.00	%	4.85	%	4.00	%
Rate of compensation increase	N/A		N/A		N/A		2.98	%	3.97	%	3.57	%	N/A		N/A		N/A
Health care cost trend rate assumed for next year
Initial rate (weighted-average)													7.00	%	7.50	%	8.00	%
Year ultimate rate is reached													2019		2019		2019
Ultimate rate													5.00	%	5.00	%	5.00	%

Fair Value of Pension Plan Assets

The following table presents the fair value of our domestic and foreign pension plan assets as of December 31, 2014 and 2013, 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, 2014								December 31, 2013
Asset Class	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Investment funds	$	18.8	$	372.6	$	40.1	$	431.5	$	22.2	$	359.1	$	25.4	$	406.7
Insurance contracts	0.0		19.3		0.0		19.3		0.0		22.0		0.0		22.0
Limited partnerships	0.0		0.0		32.1		32.1		0.0		0.0		36.1		36.1
Other	42.4		1.4		0.3		44.1		40.2		2.5		0.6		43.3
Total	$	61.2	$	393.3	$	72.5	$	527.0	$	62.4	$	383.6	$	62.1	$	508.1

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

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

	Year ended December 31, 2014												Year ended December 31, 2013
	Investment Funds			Limited Partnerships			Other			Total			Investment Funds			Limited Partnerships			Other		Total
Balance at beginning of period	$	25.4		$	36.1		$	0.6		$	62.1		$	48.2		$	39.8		$	0.3	$	88.3
Actual return on assets:
Assets sold during the year	0.2			0.2			0.0			0.4			0.6			0.0			0.0		0.6
Assets still held at year end	(0.7		)	(0.3		)	(0.3		)	(1.3		)	1.9			(2.9		)	0.2		(0.8		)
Net purchases, sales and settlements	15.2			(3.9		)	0.0			11.3			(25.3		)	(0.8		)	0.1		(26.0		)
Balance at end of period	$	40.1		$	32.1		$	0.3		$	72.5		$	25.4		$	36.1		$	0.6	$	62.1

Schedule of Allocation of Plan Assets

As of December 31, 2014, the weighted-average target and actual asset allocations relating to our domestic and foreign pension plans' assets are listed below.

			December 31,
Asset Class	2015 Target Allocation		2014		2013
Equity securities	24	%	22	%	24	%
Fixed income securities	48	%	46	%	43	%
Real estate	6	%	5	%	5	%
Other	22	%	27	%	28	%
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
2015	$	10.6	$	22.4	$	4.4
2016	10.4		24.2		4.2
2017	10.1		25.6		4.1
2018	9.9		26.1		3.9
2019	9.6		30.7		3.7
2020 - 2024	44.6		148.0		15.1

Schedule of Federal Subsidies

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

Years	Domestic Postretirement Benefit Plan
2015	$	0.4
2016	0.4
2017	0.4
2018	0.4
2019	0.4
2020 - 2024	2.4