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Note 11 - Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Net income attributable to Verisk | $ 189.4 | $ 201.7 | $ 892.8 | $ 524.3
Weighted average number of common shares used in basic EPS (in shares) | 156,940,608 | 161,366,544 | 158,531,439 | 162,005,382
Potential common shares issuable from stock options and stock awards (in shares) | 1,037,998 | 1,426,247 | 1,048,823 | 1,419,967
Weighted average number of common shares and dilutive potential common shares used in diluted EPS (in shares) | 157,978,606 | 162,792,791 | 159,580,262 | 163,425,349

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