Stock-Based Compensation (Summary Of SAR Activity) (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($) $ / shares shares
Stock Appreciation Rights [Roll Forward]
Rights Outstanding, Beginning Balance | shares	1,023,321
Rights Granted | shares	117,974
Rights Forfeited | shares	(5,950)
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expired In Period | shares	(6,864)
Rights Exercised | shares	(232,179)
Rights Outstanding, Ending Balance | shares	896,302
Weighted Average Exercise Price Outstanding, Beginning Balance | $ / shares	$ 47.10
Weighted Average Exercise Price Granted | $ / shares	52.00
Weighted Average Exercise Price Forfeited | $ / shares	59.15
Weighted Average Exercise Price Expired | $ / shares	50.17
Weighted Average Exercise Price Exercised | $ / shares	37.82
Weighted Average Exercise Price Outstanding, Ending Balance | $ / shares	$ 50.05
Weighted Average Remaining Contractual Term	5 years 3 months 18 days
Aggregate Intrinsic Value | $	$ 9,399