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STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
May 31, 2014
Share-based Compensation [Abstract]  
Summary of Additional Information Pertaining to Stock-Based Compensation from Stock Options and Stock Awards
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,
 
 
2014
 
2013
 
2014
 
2013
Stock options:
 
 
 
 
 
 
 
 
Options exercised
 
(1,866
)
 
(524
)
 
(2,144
)
 
(988
)
Total intrinsic value of stock options exercised
 
$
22,856

 
$
6,798

 
$
26,951

 
$
14,054

Total unrecognized compensation expense at period-end
 
$
3,782

 
$
9,080

 
$
3,782

 
$
9,080

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

 
1.8 years

 
1.2 years

 
1.8 years

Stock awards (excluding PRSUs):
 
 
 
 
 
 
 
 
Weighted-average grant-date fair value
 
$
19.35

 
$
21.86

 
$
19.84

 
$
22.17

Stock awards granted
 
2,032

 
1,428

 
4,072

 
2,747

Stock awards vested
 
(869
)
 
(917
)
 
(1,366
)
 
(1,474
)
Total unrecognized compensation expense at period-end
 
$
95,506

 
$
116,882

 
$
95,506

 
$
116,882

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

 
2.1 years

 
3.3 years

 
2.1 years