Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2011

Dec. 31, 2010

Fair Value Measurements [Abstract]

Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis

		00000000		00000000		00000000
	Total		Level 1		Level 2
			(In thousands)
Assets
Cash equivalents:
Money market funds	$	310,075	$	310,075	$	—
Derivatives:
Foreign currency forward contracts		1,043		—		1,043
Investments:
Time deposits		592,162		—		592,162
Corporate debt securities		268,664		—		268,664
Total assets	$	1,171,944	$	310,075	$	861,869

		00000000		00000000		00000000
	Total		Level 1		Level 2
			(In thousands)
Assets
Cash equivalents:
Money market funds	$	319,169	$	319,169	$	—
Investments:
Time deposits		414,018		—		414,018
Corporate debt securities		243,963		—		243,963
Total assets	$	977,150	$	319,169	$	657,981
Liabilities
Foreign currency forward contracts	$	1,431	$	—	$	1,431