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STOCK-BASED COMPENSATION
 3 Months Ended
Feb. 28, 2013
Share-based Compensation [Abstract]  
STOCK-BASED COMPENSATION
STOCK-BASED COMPENSATION
Stock-based compensation cost for the three months ended February 28, 2013 and 2012 was $16.4 million and $15.3 million, respectively. The deferred tax benefit from stock-based compensation expenses for the three months ended February 28, 2013 and 2012 was $5.1 million and $5.0 million, respectively.
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,
 
 
2013
 
2012
Stock options:
 
 
 
 
Weighted-average grant-date fair value
 
$
—

 
$
9.82

Options granted
 
—

 
172

Options exercised
 
(464
)
 
(1,008
)
Total intrinsic value of stock options exercised
 
$
7,257

 
$
17,259

Total unrecognized compensation expense
 
$
10,598

 
$
25,698

Weighted-average remaining recognition period
 
1.9 years

 
2.5 years

Stock awards:
 
 
 
 
Weighted-average grant-date fair value
 
$
22.16

 
$
29.42

Stock awards granted
 
971

 
785

Stock awards vested
 
(557
)
 
(447
)
Total unrecognized compensation expense
 
$
105,396

 
$
100,132

Weighted-average remaining recognition period
 
1.8 years

 
2.1 years