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Selected Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
Selected Quarterly Financial Data (Unaudited)

NOTE 17. Selected Quarterly Financial Data (Unaudited)

The following table sets forth the selected quarterly financial data for each of the quarters in 2016 (in thousands, except per share amounts):

 

 

Quarter Ended

 

 

March 31,

 

 

June 30,

 

 

September 30,

 

 

December 31,

 

 

2016

 

 

2016

 

 

2016

 

 

2016

 

Year Ended December 31, 2016:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revenue

$

805,859

 

 

$

855,557

 

 

$

932,814

 

 

$

978,560

 

Gross margin

 

108,387

 

 

 

114,490

 

 

 

111,454

 

 

 

120,454

 

Operating income

 

28,843

 

 

 

34,297

 

 

 

29,855

 

 

 

30,839

 

Net income

 

17,965

 

 

 

20,671

 

 

 

17,924

 

 

 

18,244

 

Basic earnings per share

$

0.51

 

 

$

0.61

 

 

$

0.54

 

 

$

0.55

 

Diluted earnings per share

$

0.51

 

 

$

0.61

 

 

$

0.54

 

 

$

0.55

 

 

The following table sets forth the selected quarterly financial data for each of the quarters in 2015 (in thousands, except per share amounts):

 

 

Quarter Ended

 

 

March 31,

 

 

June 30,

 

 

September 30,

 

 

December 31,

 

 

2015

 

 

2015

 

 

2015

 

 

2015

 

Year Ended December 31, 2015:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Revenue

$

835,941

 

 

$

899,513

 

 

$

899,869

 

 

$

890,272

 

Gross margin

 

89,128

 

 

 

101,729

 

 

 

105,064

 

 

 

116,774

 

Operating income

 

18,795

 

 

 

29,476

 

 

 

33,418

 

 

 

35,341

 

Net income

 

10,276

 

 

 

18,467

 

 

 

19,832

 

 

 

22,374

 

Basic earnings per share

$

0.28

 

 

$

0.51

 

 

$

0.55

 

 

$

0.63

 

Diluted earnings per share

$

0.28

 

 

$

0.51

 

 

$

0.55

 

 

$

0.63