Fair Value Measurements (Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Detail) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives Assets	$ 0.2	$ 0.0
Derivatives Liabilities	0.2	2.5
Fair Value, Measurements, Recurring | Foreign Exchange Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives Assets		0.0
Derivatives Liabilities		2.5
Fair Value, Measurements, Recurring | Foreign Exchange Contract [Member] | Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives Assets	0.2	0.0
Derivatives Liabilities	$ 0.2	$ 2.5