Loans To And Investments In Associated Companies (Linkem) (Narrative) (Details) - Linkem [Member] € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 EUR (€)
Investment [Line Items]
Percentage of ownership owned	42.00%	42.00%
Cash consideration	$ 142.9
Interest rate on convertible notes	5.00%
Payments to acquire convertible notes	$ 108.6
Convertible notes principal amount | €		€ 81.2
Shareholder loan	1.1	1.0
Purchase of convertible preferred shares	$ 14.2
Principal amount | €		€ 13.3
Percentage of ownership upon conversion of preferred shares	56.00%	56.00%
Excess investment amortization period, years	12 years