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Debt | 6 Months Ended
--- | ---
Jun. 30, 2025
Debt Disclosure [Abstract] |
Debt | Debt Consolidated debt of Old Republic and its subsidiaries is summarized below:
|  | June 30, 2025 |  | December 31, 2024
|  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Senior Notes: |  |  |  |  |  |  |  |
3.875% issued in 2016 and due 2026 |  | $ | 549.3 |  |  | $ | 546.3 |  |  | $ | 549.0 |  |  | $ | 541.4 |
5.750% issued in 2024 and due 2034 |  | 396.4 |  |  | 412.4 |  |  | 396.2 |  |  | 401.3 |
3.850% issued in 2021 and due 2051 |  | 643.5 |  |  | 463.9 |  |  | 643.4 |  |  | 458.0 |
Total debt |  | $ | 1,589.3 |  |  | $ | 1,422.7 |  |  | $ | 1,588.7 |  |  | $ | 1,400.7 |
Fair Value Measurements - The Company utilizes indicative market prices, which incorporate recent actual market transactions and current bid/ask quotations to estimate the fair value of outstanding debt, all of which is classified within Level 2 of the fair value hierarchy described in Note 2.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-6 Reference 2: 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