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Note 10 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Amortization of Intangible Assets | $ 12,600 | $ 7,600 | $ 800
Goodwill, Impairment Loss | $ 0 | 0 | $ 0
Reporting Unit Measurement, Hypothetical Decrease in Expected Long-term Growth Rate | 1.00% |  |
Reporting Unit Measurement, Hypothetical Increase in Weighted Average Cost of Capital | 1.00% |  |
Goodwill | $ 257,721 | $ 257,724 |
National Reporting Unit [Member] |  |  |
Goodwill | $ 13,600 |  |
Reporting Unit, Percentage of Parent Company Total Assets | 1.50% |  |
Fill-Rite [Member] |  |  |
Goodwill | $ 230,700 |  |
Reporting Unit, Percentage of Parent Company Total Assets | 25.90% |  |
National Pump Company [Member] |  |  |
Goodwill, Impairment Loss | $ 0 |  |
Fill-Rite [Member] |  |  |
Goodwill, Impairment Loss | 0 |  |
Other Segments [Member] |  |  |
Goodwill, Impairment Loss | $ 0 |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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