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Discontinued Operations Assets Held for Sale and Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2015
Discontinued Operations and Disposal Groups [Abstract]  
Operating Results and Gain on Discontinued Operations
The operating results of discontinued businesses, as well as any impairments and net gains on the disposals, which is presented within discontinued operations on our Consolidated Statements of Operations, along with the income tax effect, were as follows (in thousands):
 
Year Ended December 31,
 
2013
 
2014
 
2015
Revenues
$
4,164

 
$
817

 
$

 
 
 
 
 
 
Operating income
729

 
235

 

Impairment
(100
)
 
(1,180
)
 

Net gain on disposal
6,091

 
1,594

 

Income tax provision
(2,544
)
 
(257
)
 

Income from discontinued operations, net of tax
$
4,176

 
$
392

 
$