Note 15 - Selected Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Quarterly Financial Information [Table Text Block]

	Year Ended December 31, 2019
(In thousands, except per share data)	First		Second		Third		Fourth		Year
Summary Operating Results:
Total revenues	$	827,288	$	846,132	$	819,568	$	833,131	$	3,326,119
Operating income		117,626		126,692		113,391		114,859		472,568
Net income		45,451		48,484		39,405		24,296		157,636
Basic net income per common share	$	0.40	$	0.43	$	0.35	$	0.21	$	1.39
Diluted net income per common share	$	0.40	$	0.43	$	0.35	$	0.20	$	1.38

	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