XML 25 R9.htm IDEA: XBRL DOCUMENT v3.3.1.900
Investments in Marketable Securities
 12 Months Ended
Dec. 31, 2015
Marketable Securities [Abstract]  
Investments in Marketable Securities
Investments in Marketable Securities
Investments in marketable securities at December 31, 2014 and 2015 were $172.6 million and $199.9 million, respectively. The following is a summary of the cost, gross unrealized gains and losses and fair value of investments classified as available-for-sale and trading:
 
 
Available-for-Sale
 
Trading
 
 
December 31, 2014
 
December 31, 2015
 
December 31, 2014
 
December 31, 2015

Cost
 
$
125.6

 
$
104.7

 
$
19.5

 
$
19.8

Unrealized Gains
 
42.8

 
77.6

 
2.9

 
1.9

Unrealized Losses
 
(18.1
)
 
(1.8
)
 
(0.1
)
 
(2.3
)
Fair Value
 
$
150.3

 
$
180.5

 
$
22.3

 
$
19.4

For the years ended December 31, 2014 and 2015, there were $3.4 million and $8.8 million, respectively, of realized gains on investments classified as available-for-sale. These gains were recorded in Investment and other (income) expense. There were no significant realized gains or losses on investments classified as trading for the years ended December 31, 2014 and 2015.