Pension and Postretirement Benefit Obligation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	$ 500.7
Fair Value of Plan Assets (Period End)	461.1	$ 500.7
Domestic Pension Plan
Benefit Obligation [Roll Forward]
Benefit Obligation (Period Start)	126.9	146.9
Service cost	0.0	0.0	$ 0.0
Interest cost	5.9	0.3	6.2
Benefits paid	(13.6)	(9.3)
Plan participant contributions	0.0	0.0
Actuarial losses (gains)	7.4	(11.0)
Settlements and curtailments	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	0.0
Benefit Obligation (Period End)	126.6	126.9	146.9
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	101.1	111.5
Actual return on plan assets	7.7	(4.3)
Employer contributions	0.0	3.2
Plan participant contributions	0.0	0.0
Benefits paid	(13.6)	(9.3)
Settlements	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	0.0
Fair Value of Plan Assets (Period End)	95.2	101.1	111.5
Defined Benefit Plan, Funded Status of Plan [Abstract]
Defined Benefit Plan, Funded Status of Plan	(31.4)	(25.8)
Amounts Recognized in Consolidated Balance Sheets
Non-current asset	0.0	0.0
Current liability	0.0	0.0
Non-current liability	(31.4)	(25.8)
Net liability recognized	(31.4)	(25.8)
Accumulated benefit obligation	126.6	126.9
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	54.9	49.9
Prior service cost (credit)	0.0	0.0
Total amount recognized	54.9	49.9
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Loss in Next Fiscal Year	1.6
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	126.6	126.9
Aggregate accumulated benefit obligation	126.6	126.9
Aggregate fair value of plan assets	95.2	101.1
Foreign Pension Plans
Benefit Obligation [Roll Forward]
Benefit Obligation (Period Start)	537.9	589.5
Service cost	6.7	11.1	10.3
Interest cost	15.1	18.9	23.4
Benefits paid	(25.7)	(20.9)
Plan participant contributions	0.2	0.5
Actuarial losses (gains)	115.6	(28.0)
Settlements and curtailments	(6.3)	(2.4)
Foreign currency effect	(84.2)	(30.1)
Other	(28.7)	(0.7)
Benefit Obligation (Period End)	530.6	537.9	589.5
Fair Value of Plan Assets [Roll Forward]
Fair Value of Plan Assets (Period Start)	399.6	415.5
Actual return on plan assets	47.9	4.0
Employer contributions	23.2	21.6
Plan participant contributions	0.2	0.5
Benefits paid	(25.7)	(20.9)
Settlements	(2.2)	(2.0)
Foreign currency effect	(68.6)	(19.1)
Other	(8.5)	0.0
Fair Value of Plan Assets (Period End)	365.9	399.6	415.5
Defined Benefit Plan, Funded Status of Plan [Abstract]
Defined Benefit Plan, Funded Status of Plan	(164.7)	(138.3)
Amounts Recognized in Consolidated Balance Sheets
Non-current asset	7.6	8.8
Current liability	(5.5)	(6.4)
Non-current liability	(166.8)	(140.7)
Net liability recognized	(164.7)	(138.3)
Accumulated benefit obligation	526.2	518.6
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	183.4	137.3
Prior service cost (credit)	0.9	0.6
Total amount recognized	184.3	137.9
Pension and Other Postretirement Benefit Plans, Amounts that Will be Amortized from Accumulated Other Comprehensive Loss in Next Fiscal Year	5.2
Pension plans with underfunded or unfunded accumulated benefit obligation
Aggregate projected benefit obligation	525.3	525.9
Aggregate accumulated benefit obligation	523.8	511.1
Aggregate fair value of plan assets	352.9	379.2
Domestic Postretirement Benefit Plan
Benefit Obligation [Roll Forward]
Benefit Obligation (Period Start)	33.9	39.5
Service cost	0.0	0.0	0.1
Interest cost	1.5	1.5	1.7
Benefits paid	(5.8)	(5.9)
Plan participant contributions	1.6	1.5
Actuarial losses (gains)	1.1	(2.3)
Settlements and curtailments	0.0	0.0
Foreign currency effect	0.0	0.0
Other	0.0	(0.4)
Benefit Obligation (Period End)	32.3	33.9	39.5
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	4.2	4.4
Plan participant contributions	1.6	1.5
Benefits paid	(5.8)	(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 Status of Plan [Abstract]
Defined Benefit Plan, Funded Status of Plan	(32.3)	(33.9)
Amounts Recognized in Consolidated Balance Sheets
Non-current asset	0.0	0.0
Current liability	(3.2)	(3.5)
Non-current liability	(29.1)	(30.4)
Net liability recognized	(32.3)	(33.9)
Amounts recognized in Accumulated Other Comprehensive Loss, net
Net actuarial loss	1.7	0.6
Prior service cost (credit)	(0.6)	(0.7)
Total amount recognized	1.1	$ (0.1)
Other Foreign Pension Plans
Defined Benefit Plan, Funded Status of Plan [Abstract]
Defined Benefit Plan, Funded Status of Plan	$ 55.3