Derivatives and Hedging (Detail) - Derivative Gains And Losses That Have Been Recognized In Condensed Consolidated Statements Of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments gain (loss) recognized in income, net	$ (1,512)		$ (890)
Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments gain (loss) recognized in income, net	(1,254)	[1]	(1,004)	[1]
Other expense (income), net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative instruments gain (loss) recognized in income, net	$ (258)	[2]	$ 114	[2]

[1] Consists of interest expense from an interest rate swap contract.

[2] Consists of realized and unrealized gains and losses on foreign currency forward contracts.