XML 42 R25.htm IDEA: XBRL DOCUMENT v3.6.0.2
Quarterly financial data (unaudited)
 12 Months Ended
Dec. 31, 2016
Quarterly financial data (unaudited) [Abstract]  
Quarterly financial data (unaudited)
18. Quarterly financial data (unaudited)

Quarterly financial information for the years ended December 31, 2016 and 2015 is presented in the following tables:

  
Quarter Ended
 
(in thousands, except per share data)
 
March 31,
  
June 30,
  
September 30,
  
December 31,
 
2016:
            
Revenue
 
$
102,964
  
$
91,241
  
$
142,914
  
$
151,663
 
Income (loss) from operations
  
21,157
   
(2,042
)
  
35,478
   
50,929
 
Net income (loss) from continuing operations
  
11,889
   
(2,042
)
  
20,388
   
32,289
 
Net income (loss) from discontinued operations (1)
  
(7,898
)
  
(8,905
)
  
952
   
5,103
 
Net income (loss)
  
3,991
   
(10,947
)
  
21,340
   
37,392
 
                 
Net income (loss) per share from continuing operations-basic
 
$
0.30
  
$
(0.05
)
 
$
0.50
  
$
0.80
 
Net income (loss) per share from discontinued operations-basic
  
(0.20
)
  
(0.22
)
  
0.02
   
0.13
 
Net income (loss) per share-basic
 
$
0.10
  
$
(0.27
)
 
$
0.52
  
$
0.93
 
                 
Net income (loss) per share from continuing operations-diluted
 
$
0.26
  
$
(0.05
)
 
$
0.43
  
$
0.67
 
   Net income (loss) per share from discontinued operations-diluted
  
(0.16
)
  
(0.22
)
  
0.02
   
0.10
 
   Net income (loss) per share-diluted
 
$
0.10
  
$
(0.27
)
 
$
0.45
  
$
0.77
 
                 
2015
                
Revenue
 
$
52,147
  
$
119,022
  
$
158,378
  
$
159,784
 
Income (loss) from operations
  
(21,895
)
  
35,104
   
63,159
   
65,146
 
Net income (loss) from continuing operations
  
(15,728
)
  
22,565
   
42,088
   
42,491
 
Net loss from discontinued operations
  
(5,792
)
  
(8,465
)
  
(5,145
)
  
(9,144
)
Net income (loss)
  
(21,520
)
  
14,100
   
36,943
   
33,347
 
                 
Net income (loss) per share from continuing operations-basic
 
$
(0.42
)
 
$
0.59
  
$
1.08
  
$
1.08
 
Net loss per share from discontinued operations-basic
  
(0.15
)
  
(0.22
)
  
(0.14
)
  
(0.23
)
Net income (loss) per share-basic
 
$
(0.57
)
 
$
0.37
  
$
0.94
  
$
0.85
 
                 
Net income (loss) per share from continuing operations-diluted
 
$
(0.42
)
 
$
0.50
  
$
0.90
  
$
0.90
 
Net loss per share from discontinued operations-diluted
  
(0.15
)
  
(0.18
)
  
(0.11
)
  
(0.19
)
Net income (loss) per share-diluted
 
$
(0.57
)
 
$
0.32
  
$
0.79
  
$
0.71
 
                 

(1) Reflects a change in estimate attributed to higher pretax income within continuing operations. According to the ordering rules of intraperiod tax allocation, the residual amount of change after determining the effective rate for continuing operations is allocated to discontinued operations.