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Note 4 - Accounts Receivable | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Accounts and Nontrade Receivable [Text Block] | 4. Accounts Receivable: Accounts receivable, net consisted of the following at December 31:
|  | 2023 |  |  | 2022 |
Billed receivables |  | $ | 317.1 |  |  | $ | 273.7 |
Unbilled receivables |  |  | 32.2 |  |  |  | 30.7 |
Total receivables |  |  | 349.3 |  |  |  | 304.4 |
Less allowance for doubtful accounts |  |  | (15.1 | ) |  |  | (14.3 | )
Accounts receivable, net |  | $ | 334.2 |  |  | $ | 290.1 |

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- Definition The entire disclosure for accounts receivable, contract receivable, receivable held-for-sale, and nontrade receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//310/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//326/tableOfContent + Details
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