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Note 16 - Income Attributable to Tennant Company Per Share (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |
|  | March 31, |
|  | 2022 |  |  | 2021 |
Numerator: |  |  |  |  |  |  |  |
Net income attributable to Tennant Company |  | $ | 10.3 |  |  | $ | 25.7 |
Denominator: |  |  |  |  |  |  |  |
Basic - weighted average shares outstanding |  |  | 18,463,419 |  |  |  | 18,456,079 |
Effect of dilutive securities: |  |  | 336,313 |  |  |  | 375,344 |
Diluted - weighted average shares outstanding |  |  | 18,799,732 |  |  |  | 18,831,423 |
Basic earnings per share attributable to Tennant Company |  | $ | 0.56 |  |  | $ | 1.39 |
Diluted earnings per share attributable to Tennant Company |  | $ | 0.55 |  |  | $ | 1.37 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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