XML 53 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investments (Tables)
 9 Months Ended
Sep. 30, 2014
Investment in Marketable Securities [Abstract]  
Investments
 
At September 30, 2014
In thousands
Cost
 
Gross
Unrealized
Losses
 
Gross
Unrealized
Gains
 
Estimated
Fair Value
Short-term investments
$
49,559

 
$
(44
)
 
$
5

 
$
49,520

Marketable equity securities
9,678

 
(786
)
 
270

 
9,162



 
At December 31, 2013
In thousands
Cost
 
Gross
Unrealized
Losses
 
Gross
Unrealized
Gains
 
Estimated
Fair Value
Marketable equity securities
$
17,649

 
$
(3,300
)
 
$
172

 
$
14,521
Gross unrealized losses on investment securities
The following table summarizes the gross unrealized losses on investment securities for which other-than-temporary impairments have not been recognized and the fair values of those securities, aggregated by the length of time the individual securities have been in a continuous unrealized loss position, at September 30, 2014:
 
Less than twelve months
 
Twelve months or more
 
Total
In thousands
Unrealized Losses
Fair Value
 
Unrealized Losses
Fair Value
 
Unrealized Losses
Fair Value
Short-term investments
$
(44
)
$
33,125

 
$
—

$
—

 
$
(44
)
$
33,125

Marketable equity securities
$
(107
)
$
1,904

 
$
(679
)
$
1,365

 
$
(786
)
$
3,269