Derivative Instruments and Hedging Activities (Tables)

9 Months Ended

Sep. 30, 2011

Derivative Instruments and Hedging Activities [Abstract]

Gross Notional and Fair Value of Derivative Financial Instruments Location in Balance Sheet [Table Text Block]

The gross notional and fair value of derivative financial instruments in the Condensed Consolidated Balance Sheets were recorded as follows:

	September 30, 2011						December 31, 2010
	Gross Notional		Prepaid Expenses and Other Current Assets		Accrued Expenses and Other Liabilities		Gross Notional		Prepaid Expenses and Other Current Assets		Accrued Expenses and Other Liabilities
Foreign currency forward contract not designated as hedging instruments	$	77,533	$	—	$	2,695	$	68,788	$	691	$	—
Foreign currency forward contract designated as hedging instruments	$	31,578	$	—	$	1,857	$	30,701	$	440	$	—

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance [Table Text Block]

The before-tax effect of derivative instruments not designated as hedging instruments on the Condensed Consolidated Statements of Income for the three and nine months ended September 30, 2011 and 2010 were as follows:

	Gain (Loss) Recognized in Income on Derivative
		Three Months Ended September 30,					Nine Months Ended September 30,
	Location	2011			2010		2011			2010
Foreign exchange contracts not designated as hedges	Interest income and other, net	$	(2,585	)	$	3,983	$	(1,061	)	$	2,088

The before-tax effect of derivative instruments in cash flow hedging for the three and nine months ended September 30, 2011 and 2010 were as follows:

	Gain (Loss) Recognized in Other Comprehensive Income ("OCI") on Derivative (Effective Portion)					Gain (Loss) Reclassified from Accumulated OCI Into Income (Effective Portion)					Gain (Loss) Recognized in Income Derivative (Ineffective portion and Amount Excluded from Effectiveness Testing)
	Three Months Ended September 30,						Three Months Ended September 30,					Three Months Ended September 30,
	2011			2010		Location	2011		2010		Location	2011		2010
Foreign exchange contracts designated as hedges	$	(2,856	)	$	—	General and administration	$	54	$	—	Interest income and other, net	$	383	$	—

	Gain (Loss) Recognized in Other Comprehensive Income ("OCI") on Derivative (Effective Portion)					Gain (Loss) Reclassified from Accumulated OCI Into Income (Effective Portion)					Gain (Loss) Recognized in Income Derivative (Ineffective portion and Amount Excluded from Effectiveness Testing)
	Nine Months Ended September 30,						Nine Months Ended September 30,					Nine Months Ended September 30,
	2011			2010		Location	2011		2010		Location	2011		2010
Foreign exchange contracts designated as hedges	$	(3,026	)	$	—	General and administration	$	120	$	—	Interest income and other, net	$	1,496	$	—