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Note 2 - Acquisitions - Unaudited Pro Forma Combined Results of Operations Information (Details) - Hargray [Member] - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Revenues | $ 430,237 | $ 401,855 | $ 1,276,146 | $ 1,173,810
Net income | $ 52,255 | $ 58,383 | $ 165,898 | $ 169,805
Basic (in dollars per share) | $ 8.68 | $ 9.73 | $ 27.58 | $ 29.46
Diluted (in dollars per share) | $ 8.33 | $ 9.29 | $ 26.24 | $ 28.04
Depreciation and amortization | $ 0 | $ (3,387) | $ (6,152) | $ (9,882)
Interest expense | 0 | (511) | (2,867) | (20,221)
Acquisition costs | 0 | 0 | (15,403) | 0
Gain on step acquisition | 0 | 0 | (33,400) | 0
Income tax provision | $ 0 | $ 975 | $ 35,593 | $ 7,526
Weighted average common shares outstanding - diluted (in shares) | 0 | 404,248 | 95,219 | 404,248

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- Definition The pro forma adjustments for depreciation and amortization for a period as if the business combination or combinations had been completed at the beginning of the period. + References No definition available. + Details
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- Definition The pro forma adjustments for weighted average common shares outstanding, diluted, as if the business combination or combinations had been completed at the beginning of the period. + References No definition available. + Details
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