Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Summary Of Assets And Liabilities Measured At Fair Value On A Recurring Basis

The following tables present information about the Company’s assets and liabilities measured at fair value on a recurring basis (in thousands):

	March 31, 2013
	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	812,725	$	606,722	$	206,003	$	—
Marketable securities	135,246		—		135,246		—
Derivatives	11,737		—		11,737		—
	$	959,708	$	606,722	$	352,986	$	—
Liabilities:
Derivatives	$	2,165	$	—	$	2,165	$	—
	December 31, 2012
	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	852,979	$	690,691	$	162,288	$	—
Marketable securities	135,634		—		135,634		—
Derivatives	317		—		317		—
	$	988,930	$	690,691	$	298,239	$	—
Liabilities:
Derivatives	$	7,920	$	—	$	7,920	$	—
	April 1, 2012
	Balance		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Cash equivalents	$	997,669	$	823,694	$	173,975	$	—
Marketable securities	134,946		—		134,946		—
Derivatives	6,345		—		6,345		—
	$	1,138,960	$	823,694	$	315,266	$	—
Liabilities:
Derivatives	$	2,234	$	—	$	2,234	$	—