XML 70 R27.htm IDEA: XBRL DOCUMENT v2.4.0.8
Marketable Securities (Tables)
9 Months Ended
Sep. 30, 2014
Marketable Securities [Abstract]  
Investments Available For Sale
Investments available for sale classified as non-current assets consist of: 
 
At September 30, 2014
 
Cost
Amount
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
SEI-sponsored mutual funds
$
7,634

 
$
1,388

 
$

 
$
9,022

Equities and other mutual funds
2,760

 
22

 

 
2,782

Debt securities
68,033

 
1,247

 

 
69,280

 
$
78,427

 
$
2,657

 
$

 
$
81,084

 
At December 31, 2013
 
Cost
Amount
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
SEI-sponsored mutual funds
$
7,612

 
$
1,242

 
$

 
$
8,854

Equities and other mutual funds
2,615

 
164

 

 
2,779

Debt securities
71,280

 
410

 

 
71,690

 
$
81,507

 
$
1,816

 
$

 
$
83,323