Note 18 - Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Quarterly Financial Information [Text Block]

. Quarterly Financial Data (Unaudited)

The following is a summary of the

quarterly results of operations for

2017

and

2016:

201 7 Quarters (In thousands, except per share amounts)	First		Second		Third		Fourth
Operating revenue	$	173,159	$	171,511	$	170,679	$	182,771
Operating income		13,938		15,569		13,022		14,333
Net income		8,214		9,141		7,855		65,074
Net income – excluding deferred income taxes benefit (1)		8,214		9,141		7,855		8,609
Basic earnings per common share		0.15		0.17		0.14		1.19
Basic earnings per common share – excluding deferred income taxes benefit (1)		0.15		0.17		0.14		0.16
Diluted earnings per common share		0.15		0.17		0.14		1.18
Di luted earnings per common share – excluding deferred income taxes benefit (1)		0.15		0.17		0.14		0.16

201 6 Quarters ( In thousands, except per share amounts)	First		Second		Third		Fourth
Operating revenue	$	161,929	$	166,090	$	170,464	$	172,661
Operating income		14,125		14,776		14,869		14,533
Net income		8,193		8,531		8,437		8,303
Basic earnings per common share		0.15		0.16		0.16		0.15
Diluted earnings per common share		0.15		0.16		0.15		0.15

(

)

The amounts

are presented for comparative purposes excluding the

$56.5

million deferred income taxes benefit recorded to recognize the impact of the reduction of the federal corporate statutory income tax rate beginning on

January 1, 2018

from

35%

21%

related to the Tax Cuts and Jobs Act of

2017

The sum of the basic and diluted earnings per common share for the

2017

quarters is less than the amounts for the year due to differences in rounding.