Common Stock and Stock-Based Awards Plans (Summary Of Stock-Based Awards) (Details) shares in Thousands	9 Months Ended
	Sep. 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	720
Vested, shares or units | shares	(479)
Forfeited, shares or units | shares	(136)
Non-vested shares outstanding, shares or units, ending balance | shares	1,290
Non-vested outstanding, weighted-average grant date fair value, beginning balance | $ / shares	$ 26.93
Granted, weighted-average grant date fair value | $ / shares	24.12
Vested, weighted-average grant date fair value | $ / shares	26.92
Forfeited, weighted-average grant date fair value | $ / shares	25.94
Non-vested outstanding, weighted-average grant date fair value, ending balance | $ / shares	$ 25.47
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	244	[1]
Vested, shares or units | shares	(242)
Forfeited, shares or units | shares	(105)
Non-vested shares outstanding, shares or units, ending balance | shares	442
Non-vested outstanding, weighted-average grant date fair value, beginning balance | $ / shares	$ 27.62
Granted, weighted-average grant date fair value | $ / shares	25.3	[1]
Vested, weighted-average grant date fair value | $ / shares	28.3
Forfeited, weighted-average grant date fair value | $ / shares	26.98
Non-vested outstanding, weighted-average grant date fair value, ending balance | $ / shares	$ 26.12

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