Pension Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Domestic Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans
Employer contributions	$ 0.0	$ 3.2
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	1.0
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity
Expected Future Benefit Payments in 2017	12.8
Expected Future Benefit Payments in 2018	8.5
Expected Future Benefit Payments in 2019	8.3
Expected Future Benefit Payments in 2020	8.2
Expected Future Benefit Payments in 2021	8.0
Expected Future Benefit Payments in 2022-2026	37.7
Foreign Pension Plans
Defined Benefit Plans and Other Postretirement Benefit Plans
Employer contributions	23.2	21.6
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	17.0
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity
Expected Future Benefit Payments in 2017	19.3
Expected Future Benefit Payments in 2018	18.3
Expected Future Benefit Payments in 2019	21.1
Expected Future Benefit Payments in 2020	18.6
Expected Future Benefit Payments in 2021	19.2
Expected Future Benefit Payments in 2022-2026	104.7
Domestic Postretirement Benefit Plan
Defined Benefit Plans and Other Postretirement Benefit Plans
Employer contributions	4.2	$ 4.4
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity
Expected Future Benefit Payments in 2017	3.2
Expected Future Benefit Payments in 2018	3.1
Expected Future Benefit Payments in 2019	3.0
Expected Future Benefit Payments in 2020	2.7
Expected Future Benefit Payments in 2021	2.6
Expected Future Benefit Payments in 2022-2026	$ 10.7

Amount of contributions made by the employer to defined benefit plans.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(5)(ii)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 60
-Section 35
-Paragraph 123
-Subparagraph B
-URI http://asc.fasb.org/extlink&oid=64937487&loc=d3e36068-114959

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 30
-Section 35
-Paragraph 63
-Subparagraph B
-URI http://asc.fasb.org/extlink&oid=64937038&loc=d3e12551-114930

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(5)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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