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Investments
 9 Months Ended
Sep. 30, 2012
Investments, Debt and Equity Securities [Abstract]  
INVESTMENTS
INVESTMENTS
The Company’s investments, primarily in Brazil, consist of certificates of deposit and U.S. dollar indexed bond funds, which are classified as available-for-sale and stated at fair value based upon quoted market prices and net asset values, respectively. Unrealized gains and losses are recorded in OCI. Realized gains and losses are recognized in investment income and are determined using the specific identification method. Realized gains (losses), net from the sale of securities were $1,728 and $(872) for the three months ended September 30, 2012 and 2011, respectively, and $3,236 and $(2,340) for the nine months ended September 30, 2012 and 2011, respectively. Proceeds from the sale of available-for-sale securities were $33,437 and $43,182 during the nine months ended September 30, 2012 and 2011, respectively.

The Company’s investments, excluding cash surrender value of insurance contracts of $67,789 and $67,699 as of September 30, 2012 and December 31, 2011, respectively, consist of the following:
 
 
Cost Basis
 
Unrealized
Gain (Loss)
 
Fair Value
As of September 30, 2012
 
 
 
 
 
 
Short-term investments:
 
 
 
 
 
 
Certificates of deposit
 
$
252,124

 
$
—

 
$
252,124

U.S. dollar indexed bond funds
 
16,339

 
1,151

 
17,490

 
 
$
268,463

 
$
1,151

 
$
269,614

Long-term investments:
 
 
 
 
 
 
Assets held in a rabbi trust
 
$
6,572

 
$
479

 
$
7,051

As of December 31, 2011
 
 
 
 
 
 
Short-term investments:
 
 
 
 
 
 
Certificates of deposit
 
$
269,033

 
$
—

 
$
269,033

U.S. dollar indexed bond funds
 
16,482

 
1,338

 
17,820

 
 
$
285,515

 
$
1,338

 
$
286,853

Long-term investments:
 
 
 
 
 
 
Assets held in a rabbi trust
 
$
7,428

 
$
(258
)
 
$
7,170