Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION

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STOCK-BASED COMPENSATION
 9 Months Ended
Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
STOCK-BASED COMPENSATION
STOCK-BASED COMPENSATION
The following is a summary of stock-based compensation expense recorded by the Company during the respective periods:
  
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2013
 
2012
 
2013
 
2012
 
(in thousands)
Selling, general and administrative expenses
$
4,915

 
$
3,771

 
$
11,166

 
$
10,414

Corporate expenses
4,190

 
5,906

 
12,058

 
17,181

Total
$
9,105

 
$
9,677

 
$
23,224

 
$
27,595


As of September 30, 2013, there was $40.7 million of total unrecognized compensation cost related to stock-based compensation arrangements for stock options and restricted stock awards. This cost is expected to be recognized over a weighted-average period of 2.7 years.