Shareholders' Equity (Narrative) (Details) - USD ($)			1 Months Ended	3 Months Ended
	Apr. 24, 2024	Jul. 29, 2016	Feb. 29, 2024	Mar. 31, 2024	Mar. 31, 2023
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, repurchased cost				$ 15,200,000	$ 27,300,000
Quarterly dividends declared			$ 0.28
Dividends declared				$ 0.28	$ 0.254
Dividends payable, date to be paid, year and month				2024-03
Subsequent Event [Member]
Equity Class Of Treasury Stock [Line Items]
Quarterly dividends declared	$ 0.28
Scenario Forecast [Member]
Equity Class Of Treasury Stock [Line Items]
Dividend payable, date to be paid day month and year	May 23, 2024
Common Stock
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, expiration date		Dec. 31, 2026
Stock repurchase program, remaining authorized repurchase amount				$ 701,800,000
Shares repurchase program, shares repurchased				(142,582)	(367,269)
Common Stock | Share Repurchase Program Excluding Accelerated Share Repurchase
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, shares repurchased				100,000
Shares repurchase program, repurchased cost				$ 15,000,000
Shares repurchase program, average price per share				$ 105.2
Common Stock | Share Repurchase Program Including Accelerated Share Repurchase
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, shares repurchased				14,300,000
Shares repurchase program, repurchased cost				$ 998,200,000
Shares repurchase program, average price per share				$ 69.68
Common Stock | July 2018 Program [Member] | Maximum [Member]
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, authorized amount		$ 150,000,000
Common Stock | December 2026 Program [Member] | Maximum [Member]
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, authorized amount		$ 1,700,000,000