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Derivative Instruments And Hedging Activities (Narrative) (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Derivative Instruments And Hedging Activities [Line Items]      
Notional value of foreign exchange contracts $ 198invest_DerivativeNotionalAmount   $ 216invest_DerivativeNotionalAmount
Net cash outflow/inflow from settlement of derivative contracts (12.0)us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities (2.7)us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities  
Derivatives Assets 0.1us-gaap_DerivativeAssets   0us-gaap_DerivativeAssets
Derivatives Liabilities $ 2.9us-gaap_DerivativeLiabilities   $ 2.5us-gaap_DerivativeLiabilities