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Summarized Quarterly Data (Unaudited)
 12 Months Ended
Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]  
Summarized Quarterly Data (Unaudited)
Summarized Quarterly Data (Unaudited)
 
 
Year ended December 31, 2012 Quarters
 
1st
 
2nd
 
3rd
 
4th
 
Total
 
(In thousands, except per share data)
Revenue
$
216,730

 
$
178,002

 
$
200,821

 
$
233,621

 
$
829,174

Gross profit
$
62,589

 
$
44,938

 
$
61,613

 
$
68,456

 
$
237,596

Net income
$
1,883

 
$
(13,050
)
 
$
(11,246
)
 
$
(3,756
)
 
$
(26,169
)
Net income per common share(1)
 
 
 
 
 
 
 
 

Basic
$
0.01

 
$
(0.08
)
 
$
(0.07
)
 
$
(0.02
)
 
$
(0.16
)
Diluted
$
0.01

 
$
(0.08
)
 
$
(0.07
)
 
$
(0.02
)
 
$
(0.16
)
 
Year ended December 31, 2011 Quarters
 
1st
 
2nd
 
3rd
 
4th
 
Total
 
(In thousands, except per share data)
Revenue
$
224,323

 
$
228,785

 
$
215,988

 
$
226,987

 
$
896,083

Gross profit
$
87,394

 
$
92,142

 
$
75,356

 
$
67,039

 
$
321,931

Net income
$
12,439

 
$
16,565

 
$
14,838

 
$
4,308

 
$
48,150

Net income per common share(1)
 
 
 
 
 
 
 
 
 
Basic
$
0.08

 
$
0.10

 
$
0.09

 
$
0.03

 
$
0.29

Diluted
$
0.07

 
$
0.10

 
$
0.09

 
$
0.03

 
$
0.28

 ______________
(1)
Earnings per share is computed individually for each of the quarters presented; therefore, the sum of the quarterly earnings per share may not necessarily equal the total for the year.