Financial Instruments and Fair Value Measurement - Cash Flow Hedging Relationships (Details) - Forward exchange contract - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Gain/(Loss) Recognized in Accumulated Other Comprehensive Loss, net of tax	$ (1.7)	$ (1.4)
Net sales
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss) Reclassified into Earnings (Effective Portion), net of tax	(0.3)	(0.3)
Cost of goods sold
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss) Reclassified into Earnings (Effective Portion), net of tax	$ (0.6)	$ 0.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4D
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

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