XML 137 R28.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
QUARTERLY FINANCIAL DATA (UNAUDITED) (Notes)
 12 Months Ended
Dec. 31, 2019
Quarterly Financial Data [Abstract]  
QUARTERLY FINANCIAL DATA (UNAUDITED)
QUARTERLY FINANCIAL DATA (UNAUDITED)

Year Ended December 31, 2019
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
 
(Thousands of dollars, except per share amounts)
Total revenues
 
$
2,779,958

 
$
2,457,575

 
$
2,263,228

 
$
2,663,606

Operating income
 
$
468,742

 
$
476,146

 
$
482,151

 
$
487,314

Net income
 
$
337,208

 
$
311,963

 
$
309,155

 
$
320,251

Net income available to common shareholders
 
$
336,933

 
$
311,688

 
$
308,880

 
$
319,976

Earnings per share total
 
 
 
 
 
 
 
 
Basic
 
$
0.82

 
$
0.75

 
$
0.75

 
$
0.77

Diluted
 
$
0.81

 
$
0.75

 
$
0.74

 
$
0.77


Year Ended December 31, 2018
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
 
 
 
 
 
(Thousands of dollars except per share amounts)
Total revenues
 
$
3,102,077

 
$
2,960,529

 
$
3,393,890

 
$
3,136,700

Operating income
 
$
419,699

 
$
448,366

 
$
495,534

 
$
471,865

Net income
 
$
266,049

 
$
282,179

 
$
313,916

 
$
292,888

Net income available to common shareholders
 
$
264,233

 
$
280,773

 
$
312,984

 
$
292,613

Earnings per share total
 
 
 
 
 
 
 
 
Basic
 
$
0.65

 
$
0.68

 
$
0.76

 
$
0.71

Diluted
 
$
0.64

 
$
0.68

 
$
0.75

 
$
0.70