Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2013

Derivative Instruments and Hedging Activities

Fair value of derivative instruments

	Asset Derivatives
	December 31, 2012			March 31, 2013
Derivatives Not Designated as Hedging Instruments	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Foreign exchange contracts	Prepaid expenses and other	$	—	Prepaid expenses and other	$	5,538
Total		$	—		$	5,538

	Liability Derivatives
	December 31, 2012			March 31, 2013
Derivatives Not Designated as Hedging Instruments	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Foreign exchange contracts	Accrued expenses	$	1,522	Accrued expenses	$	1,709
Total		$	1,522		$	1,709

Fair value of derivative instruments, amount of (gain) loss recognized in income

		Amount of (Gain) Loss Recognized in Income on Derivatives
		Three Months Ended March 31,
	Location of (Gain) Loss Recognized in Income on Derivative
Derivatives Not Designated as Hedging Instruments		2012		2013
Foreign exchange contracts	Other expense (income), net	$	7,971	$	(11,150	)
Total		$	7,971	$	(11,150	)