Financial Instruments (Schedule Of Net Foreign Exchange Positions) (Details) - Foreign exchange contract - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Financial Instruments [Line Items]
Buy (Sell)	$ 142.3	$ (15.9)
Notional Amount	157.3	130.5
Other currencies - Buy
Financial Instruments [Line Items]
Buy (Sell)	47.1	18.0
Notional Amount	47.1	18.0
Other currencies - Sell
Financial Instruments [Line Items]
Buy (Sell)	(7.5)	(10.3)
Notional Amount	7.5	10.3
Euro
Financial Instruments [Line Items]
Buy (Sell)	13.1	(22.9)
Notional Amount	13.1	22.9
Japanese Yen
Financial Instruments [Line Items]
Buy (Sell)	29.9	(40.0)
Notional Amount	29.9	40.0
Philippine Peso
Financial Instruments [Line Items]
Buy (Sell)	30.1	26.4
Notional Amount	30.1	26.4
Chinese Yuan
Financial Instruments [Line Items]
Buy (Sell)	20.4	5.3
Notional Amount	20.4	5.3
Czech Koruna
Financial Instruments [Line Items]
Buy (Sell)	9.2	7.6
Notional Amount	$ 9.2	$ 7.6