Divestitures (Tables)
 6 Months Ended
May 31, 2014
Discontinued Operations and Disposal Groups [Abstract]  
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures
The components included in discontinued operations on the condensed consolidated statements of income are as follows (in thousands):

 
Three Months Ended
 
Six Months Ended
 
May 31, 2014
 
May 31, 2013
 
May 31, 2014
 
May 31, 2013
Revenue
$
—

 
$
4,431

 
$
—

 
$
15,606

Income (loss) before income taxes
—

 
(4,802
)
 
—

 
(3,117
)
Income tax (benefit) provision
—

 
(570
)
 
—

 
(433
)
Gain on sale, net of tax
—

 
—

 
—

 
19,757

Income (loss) from discontinued operations, net
$
—

 
$
(4,232
)
 
$
—

 
$
17,073