Common Stock and Stock-Based Awards Plans (Summary Of Stock-Based Awards) (Details) shares in Thousands	3 Months Ended
	Mar. 31, 2023 $ / shares shares
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares outstanding, shares or units, beginning balance | shares	1,185
Granted, shares or units | shares	582
Vested, shares or units | shares	(410)
Forfeited, shares or units | shares	(9)
Non-vested shares outstanding, shares or units, ending balance | shares	1,348
Non-vested outstanding, weighted-average grant date fair value, beginning balance | $ / shares	$ 26.93
Granted, weighted-average grant date fair value | $ / shares	24.26
Vested, weighted-average grant date fair value | $ / shares	27.29
Forfeited, weighted-average grant date fair value | $ / shares	26.23
Non-vested outstanding, weighted-average grant date fair value, ending balance | $ / shares	$ 25.68
Performance-Based Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested shares outstanding, shares or units, beginning balance | shares	545
Granted, shares or units | shares	224	[1]
Vested, shares or units | shares	(241)
Forfeited, shares or units | shares	(34)
Non-vested shares outstanding, shares or units, ending balance | shares	494
Non-vested outstanding, weighted-average grant date fair value, beginning balance | $ / shares	$ 27.62
Granted, weighted-average grant date fair value | $ / shares	25.31	[1]
Vested, weighted-average grant date fair value | $ / shares	28.30
Forfeited, weighted-average grant date fair value | $ / shares	28.02
Non-vested outstanding, weighted-average grant date fair value, ending balance | $ / shares	$ 26.21

[1] Represents target number of units that can vest based on the achievement of the performance goals.