Derivative Instruments - Master Netting Arrangements (Details) - Foreign Exchange Forward and Commodity Contracts - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Financial assets
Gross assets	$ 6.3	$ 3.1
Gross liabilities offset	0.0	0.0
Net amounts presented	6.3	3.1
Financial instruments	(2.5)	(0.3)
Cash collateral paid	0.0	0.0
Net	3.8	2.8
Financial liabilities
Gross liabilities	8.9	1.7
Gross assets offset	0.0	0.0
Net amounts presented	8.9	1.7
Financial instruments	(2.6)	(1.2)
Cash collateral paid	(1.0)	(0.9)
Net	$ 5.3	$ (0.4)