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STOCK-BASED COMPENSATION
 6 Months Ended
May 31, 2013
Share-based Compensation [Abstract]  
STOCK-BASED COMPENSATION
STOCK-BASED COMPENSATION
Stock-based compensation cost for the three months ended May 31, 2013 and 2012 was $14.9 million and $14.4 million, respectively. Stock-based compensation cost for the six months ended May 31, 2013 and 2012 was $31.3 million and $29.7 million, respectively. The deferred tax benefit from stock-based compensation expenses for the three months ended May 31, 2013 and 2012 was $4.3 million and $4.8 million, respectively. The deferred tax benefit from stock-based compensation expenses for the six months ended May 31, 2013 and 2012 was $9.4 million and $9.9 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
May 31,
 
Six Months Ended
May 31,
 
 
2013
 
2012
 
2013
 
2012
Stock options:
 
 
 
 
 
 
 
 
Weighted-average grant-date fair value
 
$
7.73

 
$
11.60

 
$
7.73

 
$
9.83

Options granted
 
18

 
1

 
18

 
173

Options exercised
 
(524
)
 
(629
)
 
(988
)
 
(1,673
)
Total intrinsic value of stock options exercised
 
$
6,798

 
$
14,605

 
$
14,054

 
$
31,864

Total unrecognized compensation expense at period-end
 
$
9,080

 
$
22,927

 
$
9,080

 
$
22,927

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

 
2.4 years

 
1.8 years

 
2.4 years

Stock awards:
 
 
 
 
 
 
 
 
Weighted-average grant-date fair value
 
$
21.86

 
$
32.37

 
$
22.17

 
$
29.99

Stock awards granted
 
1,428

 
179

 
2,747

 
964

Stock awards vested
 
(917
)
 
(1,241
)
 
(1,474
)
 
(1,688
)
Total unrecognized compensation expense at period-end
 
$
116,882

 
$
85,540

 
$
116,882

 
$
84,540

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

 
2.0 years

 
2.1 years

 
2.0 years