Pension and Other Retiree Benefits (Amounts in Accumulated Other Comprehensive Income) (Details) $ in Millions	Dec. 31, 2017 USD ($)
Pension \| U.S.
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss (gain)	$ 2.7
Prior service cost	0.4
Total amounts included in accumulated other comprehensive income expected to be recognized	3.1
Pension \| International
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss (gain)	3.4
Prior service cost	0.0
Total amounts included in accumulated other comprehensive income expected to be recognized	3.4
Post-retirement
Defined Benefit Plan Disclosure [Line Items]
Actuarial loss (gain)	(0.4)
Prior service cost	0.0
Total amounts included in accumulated other comprehensive income expected to be recognized	$ (0.4)

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Amount of cost (credit) included in accumulated other comprehensive (income) loss expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (s)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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