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Pension and Postretirement Benefit Obligation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	$ 503.0
Fair Value of Plan Assets (Period End)	453.7	$ 503.0
Domestic Plan [Member]
Benefit Obligation [Roll Forward]
Benefit obligation (period start)	125.4	126.6
Service cost	0.0	0.0	$ 0.0
Interest cost	4.5	5.1	5.9
Benefits Paid	(9.5)	(11.4)
Plan participant contributions	0.0	0.0
Actuarial losses (gains)	(5.0)	5.1
Settlements and curtailments	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	0.0
Benefit Obligation (Period End)	115.4	125.4	126.6
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	98.8	95.2
Actual return on plan assets	(8.1)	12.4
Employer contributions	8.6	2.6
Plan participant contributions	0.0	0.0
Benefits paid	(9.5)	(11.4)
Settlements	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	0.0
Fair Value of Plan Assets (Period End)	89.8	98.8	95.2
Defined Benefit Plan, Funded (Unfunded) Status of Plan	(25.6)	(26.6)
Amounts Recognized in Consolidated Balance Sheets
Non-current asset	0.0	0.0
Current liability	0.0	0.0
Non-current liability	(25.6)	(26.6)
Net liability recognized	(25.6)	(26.6)
Accumulated benefit obligation	115.4	125.4
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	60.4	52.2
Prior service cost (credit)	0.0	0.0
Total amount recognized	60.4	52.2
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	115.4	125.4
Aggregate accumulated benefit obligation	115.4	125.4
Aggregate fair value of plan assets	89.8	98.8
Foreign Plan [Member]
Benefit Obligation [Roll Forward]
Benefit obligation (period start)	582.3	530.6
Service cost	5.4	4.9	6.7
Interest cost	13.1	13.5	15.1
Benefits Paid	(27.4)	(19.0)
Plan participant contributions	0.1	0.2
Actuarial losses (gains)	(47.6)	20.3
Settlements and curtailments	(5.8)	(19.8)
Foreign currency effect	(26.4)	50.4
Other	2.3	1.2
Benefit Obligation (Period End)	496.0	582.3	530.6
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	404.2	365.9
Actual return on plan assets	(8.0)	25.1
Employer contributions	19.1	17.5
Plan participant contributions	0.1	0.2
Benefits paid	(27.4)	(19.0)
Settlements	(4.6)	(19.1)
Foreign currency effect	(21.1)	33.2
Other	1.6	0.4
Fair Value of Plan Assets (Period End)	363.9	404.2	365.9
Defined Benefit Plan, Funded (Unfunded) Status of Plan	(132.1)	(178.1)
Amounts Recognized in Consolidated Balance Sheets
Non-current asset	8.6	9.0
Current liability	(6.2)	(6.5)
Non-current liability	(134.5)	(180.6)
Net liability recognized	(132.1)	(178.1)
Accumulated benefit obligation	493.2	577.9
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	165.6	201.6
Prior service cost (credit)	1.2	1.1
Total amount recognized	166.8	202.7
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	491.2	576.6
Aggregate accumulated benefit obligation	489.9	575.2
Aggregate fair value of plan assets	350.5	389.5
Other Postretirement Benefits Plan [Member]
Benefit Obligation [Roll Forward]
Benefit obligation (period start)	31.8	32.3
Service cost	0.0	0.0	0.0
Interest cost	1.1	1.3	1.5
Benefits Paid	(5.9)	(5.9)
Plan participant contributions	1.8	1.6
Actuarial losses (gains)	(1.1)	2.5
Settlements and curtailments	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	0.0
Benefit Obligation (Period End)	27.7	31.8	32.3
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	0.0	0.0
Actual return on plan assets	0.0	0.0
Employer contributions	4.1	4.3
Plan participant contributions	1.8	1.6
Benefits paid	(5.9)	(5.9)
Settlements	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	0.0
Fair Value of Plan Assets (Period End)	0.0	0.0	$ 0.0
Defined Benefit Plan, Funded (Unfunded) Status of Plan	(27.7)	(31.8)
Amounts Recognized in Consolidated Balance Sheets
Non-current asset	0.0	0.0
Current liability	(2.9)	(3.1)
Non-current liability	(24.8)	(28.7)
Net liability recognized	(27.7)	(31.8)
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	3.1	4.2
Prior service cost (credit)	(0.3)	(0.4)
Total amount recognized	$ 2.8	$ 3.8

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Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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