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Acquisition-related Costs (Tables)
 9 Months Ended
Aug. 31, 2014
Acquisition Related Costs [Abstract]  
Acquisition Related Cost Reserve Rollforward [Table Text Block]
The following table provides a reconciliation of the acquisition-related costs accrued liability as of August 31, 2014 (in thousands):
 
Employee
Severance and
Other
Termination
Benefits
 
Contract
Termination
Costs
 
Other
 
Total
Balance at November 30, 2013
$
5,859

 
$
201

 
$
71

 
$
6,131

Add: Costs incurred
743

 
515

 
27

 
1,285

Revision to prior estimates
(285
)
 
17

 
—

 
(268
)
Less: Amount paid
(5,141
)
 
(458
)
 
(98
)
 
(5,697
)
Balance at August 31, 2014
$
1,176

 
$
275

 
$
—

 
$
1,451