Financial Instruments Schedule of Derivatives Designated as Hedges Affecting Income Statement and Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivative instruments, gain (loss) recognized in Other comprehensive income (loss), effective portion, net	$ 5.2	$ 9.6	$ 6.3
Derivative instruments, gain (loss) reclassified from Accumulated OCI into Income, effective portion, net	4.4	5.4	6.5
Interest Rate Swap [Member]
Derivative instruments, gain (loss) recognized in Other comprehensive income (loss), effective portion, net			(0.3)
Cost of goods sold [Member] | Currency Derivatives [Member]
Derivative instruments, gain (loss) recognized in Other comprehensive income (loss), effective portion, net	4.0	4.2	6.6
Derivative instruments, gain (loss) reclassified from Accumulated OCI into Income, effective portion, net	4.7	5.4	6.5
Interest Expense [Member] | Interest Rate Swap [Member]
Derivative instruments, gain (loss) recognized in Other comprehensive income (loss), effective portion, net	1.2	5.4
Derivative instruments, gain (loss) reclassified from Accumulated OCI into Income, effective portion, net	$ (0.3)	$ 0.0
Interest Expense [Member] | Interest Rate Contract [Member]
Derivative instruments, gain (loss) reclassified from Accumulated OCI into Income, effective portion, net			$ 0.0