Note 14 - Earnings Per Share - Calculation of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | |
|---|---|---|
Oct. 31, 2025 |
Oct. 31, 2024 |
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| Net income attributable to Concrete Pumping Holdings, Inc. | $ 6,373 | $ 16,207 |
| Less accretion of liquidation preference on preferred stock | (1,750) | (1,750) |
| Less: Undistributed earnings allocated to participating securities | 0 | (142) |
| Net income attributable to common stockholders (numerator for basic earnings per share) | 4,623 | 14,315 |
| Add back: Undistributed earnings allocated to participating securities | (0) | 142 |
| Less: Undistributed earnings reallocated to participating securities | 0 | (141) |
| Numerator for diluted earnings per share | $ 4,623 | $ 14,316 |
| Weighted average shares - basic (in shares) | 52,142 | 53,543 |
| Weighted average shares - diluted (in shares) | 52,686 | 54,238 |
| Basic earnings per share (in dollars per share) | $ 0.09 | $ 0.27 |
| Diluted earnings per share (in dollars per share) | $ 0.09 | $ 0.26 |
| X | ||||||||||
- Definition Represents net income (loss) available to common stockholders. No definition available.
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| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. No definition available.
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| X | ||||||||||
- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of undistributed earnings (loss) allocated to participating securities for the diluted earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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