Derivative Instruments and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Instruments and Hedging Activities

Fair value of derivative instruments

		Asset Derivatives
		December 31, 2010			June 30, 2011
		Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivatives Not Designated as Hedging Instruments
	Foreign exchange contracts	Current assets	$	2,500	Current assets	$	3,301
	Total		$	2,500		$	3,301

		Liability Derivatives
		December 31, 2010			June 30, 2011
		Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Derivatives Not Designated as Hedging Instruments
	Foreign exchange contracts	Current liabilities	$	2,440	Current liabilities	$	319
	Total		$	2,440		$	319

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

		Amount of (Gain) Loss Recognized in Income on Derivatives
		Three Months Ended June 30,					Six Months Ended June 30,
	Location of (Gain) Loss Recognized in Income on Derivative
Derivatives Not Designated as Hedging Instruments		2010			2011		2010			2011
Foreign exchange contracts	Other (income) expense, net	$	(1,391	)	$	1,349	$	(6,895	)	$	6,270
Total		$	(1,391	)	$	1,349	$	(6,895	)	$	6,270