Common Stock and Stock-Based Awards Plans (Summary Of Stock-Based Awards) (Details) shares in Thousands	6 Months Ended
	Jun. 30, 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	640
Vested, shares or units | shares	(461)
Forfeited, shares or units | shares	(80)
Non-vested shares outstanding, shares or units, ending balance | shares	1,284
Non-vested outstanding, weighted-average grant date fair value, beginning balance | $ / shares	$ 26.93
Granted, weighted-average grant date fair value | $ / shares	23.99
Vested, weighted-average grant date fair value | $ / shares	26.96
Forfeited, weighted-average grant date fair value | $ / shares	25.79
Non-vested outstanding, weighted-average grant date fair value, ending balance | $ / shares	$ 25.53
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	(244)
Forfeited, shares or units | shares	(80)
Non-vested shares outstanding, shares or units, ending balance | shares	445
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	28.3
Forfeited, weighted-average grant date fair value | $ / shares	26.92
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.