Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2013

Investments available for sale classified as non-current assets consist of:



	At September 30, 2013
	Cost Amount		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
SEI-sponsored mutual funds	$	7,148	$	873	$	—	$	8,021
Equities and other mutual funds	2,589		34		—		2,623
Debt securities	74,102		1,440		—		75,542
	$	83,839	$	2,347	$	—	$	86,186



	At December 31, 2012
	Cost Amount		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
SEI-sponsored mutual funds	$	12,953	$	376	$	(13	)	$	13,316
Equities and other mutual funds	2,610		—		—			2,610
Debt securities	55,923		4,020		—			59,943
	$	71,486	$	4,396	$	(13	)	$	75,869

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References+ Details