Shareholders' Equity (Narrative) (Details) - USD ($)			1 Months Ended	3 Months Ended
	Apr. 19, 2023	Jul. 29, 2016	Feb. 28, 2023	Mar. 31, 2023	Mar. 31, 2022	May 31, 2023
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, repurchased cost				$ 27,300,000	$ 30,000,000.0
Quarterly dividends declared			$ 0.254
Dividends declared				$ 0.254	$ 0.231
Dividends payable, date to be paid, year and month				2022-03
Subsequent Event [Member]
Equity Class Of Treasury Stock [Line Items]
Quarterly dividends declared	$ 0.254
Scenario Forecast [Member]
Equity Class Of Treasury Stock [Line Items]
Dividends payable, date to be paid, year and month						2022-05
Common Stock
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, expiration date		Dec. 31, 2023
Stock repurchase program, remaining authorized repurchase amount				$ 321,800,000
Shares repurchase program, shares repurchased				(367,269)	301,005
Common Stock | Share Repurchase Program Excluding Accelerated Share Repurchase
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, shares repurchased				400,000
Shares repurchase program, repurchased cost				$ 27,000,000.0
Shares repurchase program, average price per share				$ 73.51
Common Stock | Share Repurchase Program Including Accelerated Share Repurchase
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, shares repurchased				12,800,000
Shares repurchase program, repurchased cost				$ 878,200,000
Shares repurchase program, average price per share				$ 68.80
Common Stock | Maximum [Member]
Equity Class Of Treasury Stock [Line Items]
Shares repurchase program, authorized amount		$ 1,200,000,000.0