FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2012

FINANCIAL INSTRUMENTS

Schedule of fair values of the financial instruments

	March 31, 2012						December 31, 2011
	Carrying Value			Fair Value			Carrying Value			Fair Value
	(In thousands)
Assets:
Cash and cash equivalents	$	624,096		$	624,096		$	704,153		$	704,153
Marketable securities		151,549			151,549			165,695			165,695
Auction rate security		7,720			7,720			5,870			5,870
Long-term marketable equity securities		107,842			107,842			74,691			74,691
Notes receivable		4,434			4,158			3,424			3,058
Liabilities:
Contingent consideration arrangement		—			—			(10,000	)		(10,000	)
Current maturities of long-term debt		(15,844	)		(16,336	)		—			—
Long-term debt, net of current maturities		(80,000	)		(80,019	)		(95,844	)		(93,339	)
Guarantee of an equity method investee's debt		(5,000	)		(5,000	)		(5,000	)		(5,000	)
Letters of credit		N/A			(316	)		N/A			(312	)