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Note 15 - Selected Quarterly Financial Information (Unaudited) | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Quarterly Financial Information [Text Block] | NOTE 15. SELECTED QUARTERLY FINANCIAL INFORMATION (UNAUDITED) The following table presents selected quarterly financial information:
|  | 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 |

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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