The following table presents selected quarterly financial information:



	Year Ended December 31, 2018
(In thousands, except per share data)	First		Second		Third		Fourth		Year
Summary Operating Results:
Total revenues	$	606,118	$	616,793	$	612,196	$	791,623	$	2,626,730
Operating income	94,774		96,258		69,568		94,684		355,284

Income from continuing operations, net of tax	$	41,399	$	38,598	$	11,837	$	22,867	$	114,701
Income from discontinued operations, net of tax	—		347		—		—		347
Net income	$	41,399	$	38,945	$	11,837	$	22,867	$	115,048

Basic net income per common share:
Continuing operations	$	0.36	$	0.34	$	0.10	$	0.21	$	1.01
Discontinued operations	—		—		—		—		—
Basic net income per common share	$	0.36	$	0.34	$	0.10	$	0.21	$	1.01
Diluted net income per common share:
Continuing operations	$	0.36	$	0.34	$	0.10	$	0.20	$	1.00
Discontinued operations	—		—		—		—		—
Diluted net income per common share	$	0.36	$	0.34	$	0.10	$	0.20	$	1.00



	Year Ended December 31, 2017
(In thousands, except per share data)	First		Second		Third		Fourth		Year
Summary Operating Results:
Total revenues	$	610,065	$	604,124	$	591,542	$	595,088	$	2,400,819
Operating income	94,830		89,554		78,940		80,477		343,801

Income from continuing operations, net of tax	$	35,076	$	27,692	$	23,157	$	82,073	$	167,998
Income from discontinued operations, net of tax	375		21,017		—		—		21,392
Net income	$	35,451	$	48,709	$	23,157	$	82,073	$	189,390

Basic net income per common share:
Continuing operations	$	0.31	$	0.24	$	0.20	$	0.72	$	1.46
Discontinued operations	—		0.18		—		—		0.19
Basic net income per common share	$	0.31	$	0.42	$	0.20	$	0.72	$	1.65
Diluted net income per common share:
Continuing operations	$	0.31	$	0.24	$	0.20	$	0.71	$	1.45
Discontinued operations	—		0.18		—		—		0.19
Diluted net income per common share	$	0.31	$	0.42	$	0.20	$	0.71	$	1.64