Post Employment Plans - (Tables)

12 Months Ended

Dec. 31, 2018

Postemployment Benefits [Abstract]

Defined contribution plan disclosures

Our contributions to all of the plans were as follows (in millions):            

Year Ended
December 31, 2018		December 31, 2017		December 31, 2016
$	25.2	$	25.5	$	26.1

Schedule of change in the projected benefit obligation and plan assets

The change in the projected benefit obligation and plan assets consisted of the following (in millions):

	Pension Benefits						Other Benefits
	Year Ended						Year Ended
	December 31, 2018			December 31, 2017			December 31, 2018			December 31, 2017
Projected benefit obligation at beginning of period	$	174.0		$	158.9		$	6.2		$	5.8
Curtailment	(1.2		)	(1.0		)	—			—
Service costs	3.0			4.5			0.6			0.6
Interest cost	3.8			3.3			0.2			0.2
Actuarial gain	(1.6		)	(10.3		)	(1.3		)	(0.3		)
Contributions paid	0.3			0.1			—			—
Benefits paid	(1.6		)	(2.5		)	(0.1		)	(0.1		)
Settlements	(0.5		)	—			—			—
Foreign currency translation	(7.6		)	21.0			—			—
Projected benefit obligation at end of period	$	168.6		$	174.0		$	5.6		$	6.2
Fair value of plan assets at beginning of period	162.5			138.2			—			—
Actual return on plan assets	(3.1		)	5.5			—			—
Benefits paid	(1.6		)	(2.5		)	(0.1		)	—
Settlements	(0.5		)	—			—			—
Employer contributions	1.2			2.2			0.1			—
Contributions paid	0.3			0.1			—			—
Foreign currency translation	(6.9		)	19.0			—			—
Fair value of plan assets at end of period	$	151.9		$	162.5		$	—		$	—
Unfunded status	$	(16.7	)	$	(11.5	)	$	(5.6	)	$	(6.2	)
Presented as:
Other non-current assets	$	15.7		$	22.0		$	—		$	—
Other non-current liabilities	$	(32.4	)	$	(33.5	)	$	—		$	—

Schedule of accumulated benefit obligation

The total accumulated benefit obligation for the defined benefit pension plans was as follows (in millions):

Year Ended
December 31, 2018		December 31, 2017
$	163.2	$	167.6

Schedule of unrecognized actual gains (losses)

The following unrecognized actual gain (loss) for the other benefits liability was included in OCI, net of tax (in millions):

Year Ended
December 31, 2018		December 31, 2017		December 31, 2016
$	1.3	$	0.3	$	(0.7	)

Schedule of unamortized net actuarial (gain) loss in AOCI net of tax

The unamortized net actuarial loss (gain) in AOCI net of tax for defined benefit pension and other benefits was as follows (in millions):

Year Ended
December 31, 2018		December 31, 2017			December 31, 2016
$	4.4	$	(1.3	)	$	9.5

Schedule of expected benefit payments

At December 31, 2018, the total estimated future benefit payments to be paid by the plans for the next five years is approximately $12.3 million for pension benefits and $1.0 million for other benefits as follows (in millions):

Payment Due	Pension Benefits		Other Benefits
2019	$	1.8	$	0.1
2020	2.5		0.2
2021	2.5		0.2
2022	2.8		0.2
2023	2.7		0.3
Thereafter	23.0		2.0

Schedule of net periodic pension cost

Net periodic pension cost consisted of the following (in millions):

	Pension Benefits									Other Benefits
	Year Ended									Year Ended
	December 31, 2018			December 31, 2017			December 31, 2016			December 31, 2018			December 31, 2017			December 31, 2016
Service cost	$	3.0		$	4.5		$	4.1		$	0.6		$	0.6		$	0.6
Interest cost	3.8			3.3			3.6			0.2			0.2			0.2
Expected return on assets	(5.3		)	(4.3		)	(3.9		)	—			—			—
Curtailment	(1.2		)	(0.7		)	—			—			—			—
Net actuarial loss	0.6			0.8			0.5			(0.1		)	(0.1		)	—
Net periodic pension cost	$	0.9		$	3.6		$	4.3		$	0.7		$	0.7		$	0.8

Schedule of assumptions used

The weighted-average assumptions used to determine net periodic pension cost and benefit obligation were:

	Pension Benefits						Other Benefits
	Year Ended						Year Ended
	December 31, 2018		December 31, 2017		December 31, 2016		December 31, 2018		December 31, 2017		December 31, 2016
Discount rate	2.04	%	1.91	%	1.76	%	3.59	%	3.59	%	4.00	%
Inflation	1.45	%	1.45	%	1.43	%
Expected return on assets	2.94	%	2.90	%	2.89	%

As of December 31, 2018, the expected weighted-average long-term rate of return on assets of 2.9% was calculated based on the assumptions of the following returns for each asset class:

Equities	6.1	%
Bonds	1.6	%
Absolute return fund	4.0	%
Insurance contracts	2.8	%
Other	2.6	%

Schedule of allocation of plan assets

The following table sets forth the fair value of the pension plan assets (in millions):     

	Year Ended
	December 31, 2018								December 31, 2017
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equities	$	0.1	$	16.2	$	—	$	16.3	$	0.1	$	19.1	$	—	$	19.2
Bonds	1.0		28.6		—		29.6		1.8		30.2		—		32.0
Insurance contracts	—		—		49.9		49.9		—		—		50.8		50.8
Absolute return fund	—		50.5		—		50.5		—		54.5		—		54.5
Other	—		5.6		—		5.6		—		6.0		—		6.0
Total	$	1.1	$	100.9	$	49.9	$	151.9	$	1.9	$	109.8	$	50.8	$	162.5

Certain of our plans have target asset allocation ranges. As of December 31, 2018, these ranges were as follows:

Equities	10% - 20%
Bonds	20% - 30%
Absolute return	50% - 60%

Schedule of summary of the changes in the fair value of the Level 3 pension plan assets

The following table sets forth a summary of the changes in the fair value of the Level 3 pension plan assets, which were measured at fair value on a recurring basis (in millions):

	Year Ended
	December 31, 2018			December 31, 2017
Assets at beginning of year	$	50.8		$	43.4
Actual return on plan assets	0.6			1.0
Purchases, sales and settlements, net	0.4			0.9
Foreign exchange	(1.9		)	5.5
Assets at end of year	$	49.9		$	50.8