Fair Value Measurement - Cash Flow Hedging Relationships (Details) - Forward exchange contract - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Gain/(Loss) Recognized in Accumulated Other Comprehensive Loss (net of tax)	$ 1.0	$ (0.7)	$ 1.4	$ (0.9)
Net sales
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss) Reclassified into Earnings Effective Portion (net of tax)		0.0		0.0
Cost of goods sold
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss) Reclassified into Earnings Effective Portion (net of tax)		$ 0.1		$ 0.0
Reclassification out of Accumulated Other Comprehensive Income | Cash flow hedge (loss) gain | Net sales
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss) Reclassified into Earnings Effective Portion (net of tax)	0.0		0.0
Reclassification out of Accumulated Other Comprehensive Income | Cash flow hedge (loss) gain | Cost of goods sold
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain/(Loss) Reclassified into Earnings Effective Portion (net of tax)	$ 0.0		$ (0.2)