Derivative Financial Instruments (Schedule Of Notional Amounts Of Outstanding Derivative Positions (Details) - Dec. 31, 2019 € in Millions, ¥ in Millions, £ in Millions, kr in Millions, RM in Millions, R$ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions	USD ($)	EUR (€)	GBP (£)	CAD ($)	BRL (R$)	HKD ($)	NOK (kr)	SGD ($)	MYR (RM)	JPY (¥)	MXN ($)	AUD ($)
Foreign exchange forward | Brazilian real | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	$ (36.0)											$ (51.3)
Foreign exchange forward | Brazil, Brazil Real | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(198.1)				R$ (798.6)
Foreign exchange forward | Singapore, Dollars | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(154.7)							$ (208.1)
Foreign exchange forward | Indonesia, Rupiahs | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(17.3)	€ (240,584.6)
Foreign exchange forward | Malaysia, Ringgits | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(101.2)								RM (413.6)
Foreign exchange forward | Euro | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(1,245.8)	(1,109.3)
Foreign exchange forward | United Kingdom, Pounds | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(151.5)		£ (114.8)
Foreign exchange forward | Sweden, Kronor | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(11.4)	(105.7)
Foreign exchange forward | Mexico, Pesos | Short
Derivative [Line Items]
Derivative, Notional Amount	(15.9)										$ (300.0)
Foreign exchange forward | Hong Kong, Dollars | Short
Derivative [Line Items]
Derivative, Notional Amount	(17.7)					$ (138.0)
Foreign exchange forward | Canada, Dollars | Short
Derivative [Line Items]
Derivative, Notional Amount	(69.1)			$ (89.9)
Foreign exchange forward | Norwegian krone | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(305.4)						kr (2,682.6)
Foreign exchange forward | Japan, Yen | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(40.3)									¥ (4,376.7)
Foreign exchange forward | U.S. dollar | Short
Derivative [Line Items]
Derivative, Notional Amount	(1,078.8)
Embedded derivative financial instruments | Brazil, Brazil Real | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	(14.3)				R$ (57.6)
Embedded derivative financial instruments | Euro | Short
Derivative [Line Items]
Derivative, Notional Amount	(7.6)	€ (6.8)
Embedded derivative financial instruments | Norwegian krone | Short
Derivative [Line Items]
Derivative, Notional Amount	(14.2)						kr (124.7)
Embedded derivative financial instruments | U.S. dollar | Notional amount bought
Derivative [Line Items]
Derivative, Notional Amount	$ (7.9)