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STOCK-BASED COMPENSATION
 3 Months Ended
Feb. 28, 2014
Share-based Compensation [Abstract]  
STOCK-BASED COMPENSATION
STOCK-BASED COMPENSATION
Stock-based compensation cost for the three months ended February 28, 2014 and 2013 was $12.8 million and $16.4 million, respectively. The deferred tax benefit from stock-based compensation expenses for the three months ended February 28, 2014 and 2013 was $3.6 million and $5.1 million, respectively.

Since fiscal year 2010, certain of our employees received performance-based restricted stock units ("PRSUs"). These PRSUs are subject to the terms and conditions set forth in each applicable PRSU Agreement and have been granted under our 2008 Equity Incentive Plan. During the first quarter of 2014, 1.3 million PRSUs were granted and 1.7 million vested.

The following table summarizes additional information pertaining to our stock-based compensation from stock options and stock awards which are comprised of restricted stock, restricted stock units and performance-based restricted stock units (in thousands, except grant-date fair value and recognition period):
 
 
 
Three Months Ended
February 28,
 
 
2014
 
2013
Stock options:
 
 
 
 
Options exercised
 
(279
)
 
(464
)
Total intrinsic value of stock options exercised
 
$
4,096

 
$
7,257

Total unrecognized compensation expense at period-end
 
$
4,991

 
$
10,598

Weighted-average remaining recognition period at period-end
 
1.3 years

 
1.9 years

Stock awards (excluding PRSUs):
 
 
 
 
Weighted-average grant-date fair value
 
$
22.10

 
$
22.16

Stock awards granted
 
519

 
971

Stock awards vested
 
(497
)
 
(557
)
Total unrecognized compensation expense at period-end
 
$
77,535

 
$
105,396

Weighted-average remaining recognition period at period-end
 
2.1 years

 
1.8 years