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Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Data (Unaudited)
Quarterly Financial Data (Unaudited)
The following is a condensed summary of actual quarterly results of operations for 2015 and 2014 (in thousands, except per share amounts):
 
Revenues
 
Gross Profit
 
Operating
Income
 
Net Income
(Loss)
 
Net Income
(Loss)
Attributable
to Common
Stockholders
 
Basic
Earnings (Loss)
Per Share
 
Diluted
Earnings (Loss)
Per Share
Attributable to
Common
Stockholders1
2015:
 
 
 
 
 
 
 
 
 
 
 
 
 
First
$
220,303

 
$
29,074

 
$
11,198

 
$
3,593

 
$
3,592

 
$
0.12

 
$
0.12

Second
$
217,617

 
$
29,506

 
$
11,588

 
$
3,205

 
$
3,205

 
$
0.11

 
$
0.11

Third
$
202,729

 
$
27,890

 
$
9,946

 
$
2,554

 
$
2,554

 
$
0.09

 
$
0.09

Fourth
$
184,692

 
$
24,352

 
$
5,294

 
$
(2,291
)
 
$
(2,291
)
 
$
(0.08
)
 
$
(0.08
)
2014:
 
 
 
 
 
 
 
 
 
 
 
 
 
First
$
198,071

 
$
24,304

 
$
5,448

 
$
(508
)
 
$
(506
)
 
$
(0.02
)
 
$
(0.02
)
Second
$
215,996

 
$
28,185

 
$
9,047

 
$
2,739

 
$
2,739

 
$
0.09

 
$
0.09

Third
$
213,802

 
$
28,426

 
$
9,705

 
$
1,163

 
$
1,162

 
$
0.04

 
$
0.04

Fourth
$
211,874

 
$
26,773

 
$
9,494

 
$
4,237

 
$
4,235

 
$
0.15

 
$
0.15

(1) 
See Note 11 for discussion on the computation of diluted shares outstanding.
The sum of the per share amounts for the quarters does not equal the total for the year due to the application of the treasury stock method.