(Summary Of Activity Of Restricted Stock Award Program) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares/units, outstanding	5,312,480	5,926,142	5,620,025
Shares/units, granted		1,899,211	2,316,295
Shares/units, shares issued		(1,130,236)	(994,052)
Shares/units, forfeited	(1,234,328)	(1,382,637)	(1,016,126)
Shares/Units, outstanding	6,120,951	5,312,480	5,926,142
Weighted average grant date fair value, outstanding	$ 38.01	$ 35.43	$ 40.36
Weighted average grant date fair value, granted		50.32	45.24
Weighted average grant date fair value, shares issued		40.23	63.54
Weighted average grant date fair value, forfeited	45.38	42.03	57.55
Weighted average grant date fair value, outstanding	$ 35.31	$ 38.01	$ 35.43
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares/units, outstanding	126,392	103,769	126,075
Shares/units, granted	123,454	132,200	85,098
Shares/units, shares issued	(81,629)	(104,177)	(85,768)
Shares/units, forfeited	(11,643)	(5,400)	(21,636)
Shares/Units, outstanding	156,574	126,392	103,769
Weighted average grant date fair value, outstanding	$ 46.88	$ 49.03	$ 44.83
Weighted average grant date fair value, granted	35.51	43.38	50.90
Weighted average grant date fair value, shares issued	45.40	44.53	45.59
Weighted average grant date fair value, forfeited	39.77	47.78	45.52
Weighted average grant date fair value, outstanding	$ 39.22	$ 46.88	$ 49.03