Stockholders' Equity And Stock-Based Compensation (Summary Of Information On Performance-Based Restricted Stock Units Granted To Executive Officers That Have Not Yet Vested) (Details) - Executive Officer [Member] - Performance-Based Restricted Stock Units [Member] - shares	Dec. 15, 2023	Dec. 15, 2022	Dec. 15, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grants in Period, Gross	77,283	90,613	60,301
Potential shares at vest date (in shares)	154,566	181,226	120,602

Stockholders' Equity And Stock-Based Compensation (Summary Of Information On Performance-Based Restricted Stock Units Granted To Executive Officers That Have Not Yet Vested) (Details) - Executive Officer [Member] - Performance-Based Restricted Stock Units [Member] - shares

Dec. 15, 2023

Dec. 15, 2022

Dec. 15, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Grants in Period, Gross

77,283

90,613

60,301

Potential shares at vest date (in shares)

154,566

181,226

120,602

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ Details