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Other Debt Disclosures Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Long-term Debt |  |  | $ 47.7 | $ 71.2 |
Long-term Debt, Weighted Average Interest Rate, at Point in Time |  | 7.00% | 7.00% |  | 7.10%
Unsecured Debt [Member] | 6.25% Notes Due 2026 [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Long-term Debt |  | $ 30.0 |  |  |
Interest Paid, Including Capitalized Interest, Operating and Investing Activities |  | 0.4 |  |  |
Write off of Deferred Debt Issuance Cost |  | 0.1 |  |  |
Unsecured Debt [Member] | 6.25% Notes Due 2026 [Member] | Subsequent Event [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Long-term Debt | $ 50.0 |  |  |  |
Interest Paid, Including Capitalized Interest, Operating and Investing Activities | 1.2 |  |  |  |
Write off of Deferred Debt Issuance Cost | $ 0.2 |  |  |  |
Unsecured Debt [Member] | 6.25% Notes Due 2026 [Member] | Open market repurchase |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Long-term Debt |  |  | $ 1.7 |  |
Unsecured Debt [Member] | Tekfor Group Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayments of Unsecured Debt |  |  | 6.6 |  |
Foreign Credit Facilities [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Line of Credit |  | 33.7 | 33.7 |  | $ 51.8
Debt Instrument, Unused Borrowing Capacity, Amount |  | $ 82.5 | $ 82.5 |  |

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