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Acquisition Related Costs (Tables)
 12 Months Ended
Nov. 30, 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 November 30, 2014 (in thousands):
 
Employee
Severance and
Other
Termination
Benefits
 
Contract
Termination
Costs
 
Other
 
Total
Balance at November 30, 2011
$
1,619

 
$
469

 
$
185

 
$
2,273

Add: Costs incurred
1,912

 
138

 
2,119

 
4,169

Revision to prior estimates
(22
)
 
—

 
—

 
(22
)
Less: Amount paid
(2,925
)
 
(523
)
 
(2,304
)
 
(5,752
)
Balance at November 30, 2012
$
584

 
$
84

 
$
—

 
$
668

Add: Costs incurred
7,828

 
1,291

 
14,487

 
23,606

Revision to prior estimates
(114
)
 
(44
)
 
(20
)
 
(178
)
Less: Amount paid
(2,439
)
 
(1,130
)
 
(14,396
)
 
(17,965
)
Balance at November 30, 2013
$
5,859

 
$
201

 
$
71

 
$
6,131

Add: Costs incurred
897

 
515

 
702

 
2,114

Revision to prior estimates
(230
)
 
17

 
—

 
(213
)
Less: Amount paid
(5,940
)
 
(618
)
 
(356
)
 
(6,914
)
Balance at November 30, 2014
$
586

 
$
115

 
$
417

 
$
1,118