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Special Charges Summary of the Components of Special Charges (Tables)
 9 Months Ended
Oct. 31, 2014
Restructuring and Related Activities [Abstract]  
Schedule Of Special Charges
The following is a summary of the components of special charges:
 
Three months ended October 31,
 
Nine months ended October 31,
 
2014
 
2013
 
2014
 
2013
Litigation costs
$
7,004

 
$
3,046

 
$
15,193

 
$
8,217

Employee severance and related costs
1,377

 
1,133

 
3,077

 
3,843

Other costs, net
(6
)
 
509

 
1,139

 
510

Total special charges
$
8,375

 
$
4,688

 
$
19,409

 
$
12,570