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Accumulated Other Comprehensive Income (Components of Accumulated Other Comprehensive Income) (Parenthetical) (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Pension Benefits [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, tax | $ 6,261 | $ 6,282
Unrealized Gain On Commodity Swap Derivatives [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, tax | 25 | 0
Unrealized gain (loss) on foreign currency derivatives [Member] |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |
Accumulated other comprehensive loss, tax | $ 528 | $ 0

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