INVESTMENTS (Tables)

3 Months Ended

Mar. 31, 2012

INVESTMENTS

Components of investment securities

	March 31, 2012					December 31, 2011
	Adjusted Cost			Fair Value		Adjusted Cost			Fair Value
	(in thousands)
Corporate equity securities	$	3,936		$	8,716	$	—		$	—
Auction-rate securities	2,220			2,251		2,220			2,251
Corporate debt securities and other obligations	2,039			2,038		3,099			3,079
	$	8,195		$	13,005	$	5,319		$	5,330
Unrealized gains	4,811					31
Unrealized losses	(1		)			(20		)
Net unrealized gains	4,810					11
Fair value	$	13,005				$	5,330
Amount included in short-term investments				$	10,754				$	3,079
Amount included in other assets				2,251					2,251
				$	13,005				$	5,330

Contractual maturities (at adjusted cost) of available-for-sale debt securities

Contractual maturities (at adjusted cost) of available-for-sale debt securities as of March 31, 2012, were as follows:

	(in thousands)
Due within one year	$	2,039
Due in 1-5 years	—
Due in 5-10 years	—
Due after 10 years	2,220
Total	$	4,259