Stock-Based Compensation (Summary Of The Status Of Nonvested Share Awards) (Details)	3 Months Ended
	Mar. 31, 2024 $ / shares shares
Nonvested Share Awards [Roll Forward]
Nonvested, Shares, Beginning Balance | shares	1,166,335
Granted, Shares | shares	314,602
Vested, Shares | shares	(235,194)
Forfeited, Shares | shares	(11,342)
Nonvested, Shares, Ending Balance | shares	1,234,401
Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance | $ / shares	$ 58.48
Granted , Weighted Average Grant Date Fair Value | $ / shares	51.99
Vested , Weighted Average Grant Date Fair Value | $ / shares	52.39
Forfeited , Weighted Average Grant Date Fair Value | $ / shares	58.69
Nonvested , Weighted Average Grant Date Fair Value, Ending Balance | $ / shares	$ 57.99