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STOCK-BASED COMPENSATION (Tables)
 3 Months Ended
Feb. 28, 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
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