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Note 7 - Debt (Details Textual) $ in Millions |  |  | 3 Months Ended | 15 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 15, 2024 USD ($) | Dec. 14, 2020 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Sep. 30, 2024 USD ($) | Jan. 03, 2023 USD ($) | Jun. 16, 2021 USD ($)
Industrial Revenue Bond Member [Member] |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  | $ 1.0 | $ 1.0 | $ 1.1 |  |  |
Forward Interest Rate Hedge [Member] |  |  |  |  |  |  |  |
Derivative, Term of Contract (Year) | 2 years |  |  |  |  |  |  |
Derivative, Notional Amount | $ 75.0 |  |  |  |  | $ 75.0 |  |
Derivative, Fixed Interest Rate | 3.82% |  |  |  |  |  |  |
ABL Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 625.0 |
ABL Credit Facility [Member] | Asset Based Revolving Credit Facility Due June 16, 2026 [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 595.0 |
Letters of Credit, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 20.0
Maximum First In, Last Out Revolving Credit Facility |  |  |  |  |  |  |  | 30.0
Line of Credit Facility, Additional Commitments, Maximum |  |  |  |  |  |  |  | $ 200.0
Line Of Credit Facility Covenant Terms Monetary |  | $ 30.0 |  |  |  |  |  |
Line of Credit Facility Covenant Terms Percentage of Revolver Commitments |  | 10.00% |  |  |  |  |  |
Balance Required for Compliance with Revolver Commitments |  |  | 62.5 | 62.5 |  |  |  |
Line of Credit Facility Covenant Terms Percentage of Aggregate Borrowing Base |  | 10.00% |  |  |  |  |  |
Line of Credit Facility Covenant Terms Aggregate Borrowing Base |  |  | $ 49.4 | $ 49.4 |  |  |  |
Line of Credit Facility Covenant Terms EBITDA Ratio |  |  | 1 | 1 |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  | $ 254.0 | $ 254.0 |  |  |  |
ABL Credit Facility [Member] | Asset Based Revolving Credit Facility Due June 16, 2026 [Member] | Base Rate [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.00% |  |  |  |
ABL Credit Facility [Member] | Asset Based Revolving Credit Facility Due June 16, 2026 [Member] | Base Rate [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.25% |  |  |  |
ABL Credit Facility [Member] | Asset Based Revolving Credit Facility Due June 16, 2026 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 1.25% |  |  |  |  |
ABL Credit Facility [Member] | Asset Based Revolving Credit Facility Due June 16, 2026 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 2.75% |  |  |  |  |

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- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D + Details
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