Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value of Financial Instruments [Abstract]

Derivative instrument fair values in the Condensed Consolidated Balance Sheets

(assets)/liabilities	December 31, 2011				June 30, 2012
Derivatives designated as hedging instruments	Accrued liabilities	$	(6,214	)	Accrued liabilities	$	(6,123	)
Derivatives not designated as hedging instruments	Accrued liabilities	$	345		Accrued liabilities	$	315

Gains and losses on derivative instruments in the condensed consolidated statement of income

Derivatives Designated as Cash Flow Hedges	Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivatives (Effective Portion)			Amount of Gain  (Loss) Reclassified from Cumulative Other Comprehensive Loss into Income (Effective Portion)			Amount of Gain (Loss) Recognized in Income on Derivatives (Ineffective Portion)
Three Months Ended June 30, 2011	$	(434	)	$	(566	)	$	24
Three Months Ended June 30, 2012	$	3,359		$	(2,030	)	$	(266	)
Six Months Ended June 30, 2011	$	(4,905	)	$	(1,884	)	$	(90	)
Six Months Ended June 30, 2012	$	1,407		$	1,512		$	(14	)

Derivatives not Designated as Hedging Instruments	Location of Gain (Loss) Recognized in Income on Derivatives		Amount of Gain (Loss) Recognized in Income on Derivatives
Three Months Ended June 30, 2011		Other income	$	(22	)
Three Months Ended June 30, 2012		Other income	$	(436	)
Six Months Ended June 30, 2011		Other income	$	107
Six Months Ended June 30, 2012		Other income	$	30

Assets and liabilities measured at fair value on a recurring basis

Foreign Exchange Contracts	Total Derivative (Assets) Liabilities			Quoted Prices in Active Markets for Identical Assets Level (1)		Significant Other Observable Inputs Level (2)			Significant Unobservable Inputs Level (3)
December 31, 2011	$	(5,869	)	$	—	$	(5,869	)	$	—
June 30, 2012	$	(5,808	)	$	—	$	(5,808	)	$	—

Carrying amounts and fair values of financial instruments

	December 31, 2011						June 30, 2012
	Carrying Amount			Fair Value Measurements Using Quoted Prices in Active Markets for Identical Instruments Level (1)			Carrying Amount			Fair Value Measurements Using Quoted Prices in Active Markets for Identical Instruments Level (1)
Cash and cash equivalents	$	233,710		$	233,710		$	240,501		$	240,501
Notes receivable		71,661			71,661			65,863			65,863
Restricted cash		2,475			2,475			9,861			9,861
Notes payable		(131,651	)		(131,651	)		(118,940	)		(118,940	)
Current portion of long-term debt		(21,199	)		(21,199	)		(6,608	)		(6,608	)
Long-term debt		(329,496	)		(325,596	)		(337,081	)		(348,481	)