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Restructuring Charges (Tables)
 6 Months Ended
May 31, 2014
2013 Restructuring Activities [Member]
  
Restructuring Cost and Reserve [Line Items]  
Summary of Restructuring Activity
A summary of activity for the 2013 restructuring action is as follows (in thousands):

 
Excess
Facilities and
Other Costs
 
Employee Severance and Related Benefits
 
Total
Balance, December 1, 2013
$
569

 
$
1,077

 
$
1,646

Costs incurred
169

 
32

 
201

Cash disbursements
(401
)
 
(1,107
)
 
(1,508
)
Translation adjustments and other
5

 
3

 
8

Balance, May 31, 2014
$
342

 
$
5

 
$
347
2012 Restructuring Activities [Member]
  
Restructuring Cost and Reserve [Line Items]  
Summary of Restructuring Activity
A summary of activity for the 2012 restructuring action during the six months ended May 31, 2014, is as follows (in thousands):

 
Excess
Facilities and
Other Costs
 
Employee Severance and Related Benefits
 
Total
Balance, December 1, 2013
$
615

 
$
291

 
$
906

Costs incurred
140

 
(21
)
 
119

Cash disbursements
(353
)
 
(272
)
 
(625
)
Translation adjustments and other
(5
)
 
2

 
(3
)
Balance, May 31, 2014
$
397

 
$
—

 
$
397