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Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Data (Unaudited)
Quarterly Financial Data (Unaudited)

Information in any one quarterly period is not indicative of annual results due to the seasonal variations common to the Company’s utility operations.  Summarized quarterly financial data for 2017 and 2016 follows:
(In millions, except per share amounts)
 
Q1
 
Q2
 
Q3
 
Q4
2017
 
 
 
 

 
 

 
 

 
 

 
 
Operating revenues
 
$
624.5

 
$
630.7

 
$
691.2

 
$
711.0

 
 
Operating income
 
101.4

 
72.8

 
107.5

 
36.8

 
 
Net income
 
55.4

 
37.6

 
61.9

 
61.2

 
 
Earnings per share:
 
 
 
 
 
 
 
 
 
 
Basic and Diluted
 
$
0.67

 
$
0.45

 
$
0.75

 
$
0.74

2016
 
 
 
 
 
 
 
 
 
 
 
 
Operating revenues
 
$
584.8

 
$
533.7

 
$
631.0

 
$
699.0

 
 
Operating income
 
92.2

 
63.9

 
105.5

 
120.7

 
 
Net income
 
48.3

 
32.3

 
61.4

 
69.6

 
 
Earnings per share:
 
 
 
 
 
 
 
 
 
 
Basic and Diluted
 
$
0.58

 
$
0.39

 
$
0.74

 
$
0.84