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Financial Instruments (Carrying Value, Fair Value And Hierarchy Of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments of deferred compensation plans held in trust	$ 136,021	$ 130,960
Cash equivalents	150,106	188,379
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments of deferred compensation plans held in trust	136,021	130,960
Cash equivalents	$ 150,106	$ 188,379

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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