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Shareholders' Equity (Schedule Of Accumulated Other Comprehensive Income (Loss) Activity) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning Balance |  | $ 757.1 | $ 591.8
Ending Balance |  | 900.7 | 757.1
Foreign Currency Translation Adjustments [Member] |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning Balance | [1] | (2.2) | 1.0
Other comprehensive (loss) income before reclassifications, net of tax benefit (expense) | [1] | 1.7 | (3.2)
Amounts reclassified from accumulated other comprehensive (loss) | [1] | 0.0 | 0.0
Net current period other comprehensive (loss) | [1] | 1.7 | (3.2)
Ending Balance | [1] | (0.5) | (2.2)
Derivative Gain (Loss) [Member] |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning Balance | [1],[2] | (1.1) | 0.5
Other comprehensive (loss) income before reclassifications, net of tax benefit (expense) | [1],[2] | (1.3) | 2.5
Amounts reclassified from accumulated other comprehensive (loss) | [1],[2] | (0.2) | (4.1)
Net current period other comprehensive (loss) | [1],[2] | (1.5) | (1.6)
Ending Balance | [1],[2] | (2.6) | (1.1)
Pension And Postretirement Adjustments [Member] |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning Balance | [1] | (106.9) | (106.2)
Other comprehensive (loss) income before reclassifications, net of tax benefit (expense) | [1] | 4.3 | 2.1
Amounts reclassified from accumulated other comprehensive (loss) | [1] | 2.6 | (2.8)
Net current period other comprehensive (loss) | [1] | 6.9 | (0.7)
Ending Balance | [1] | (100.0) | (106.9)
Accumulated Other Comprehensive (Loss) [Member] |  |  |
Accumulated Other Comprehensive Income Loss [Line Items] |  |  |
Beginning Balance | [1] | (110.2) | (104.7)
Other comprehensive (loss) income before reclassifications, net of tax benefit (expense) | [1] | 4.7 | 1.4
Amounts reclassified from accumulated other comprehensive (loss) | [1] | 2.4 | (6.9)
Net current period other comprehensive (loss) | [1] | 7.1 | (5.5)
Ending Balance | [1] | $ (103.1) | $ (110.2)
[1] | Amounts are net of tax.
[2] | Amounts include our 50% share of AOCL components from our WAVE joint venture.

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