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Stockholders' Equity (Summary of Options) (Details) - USD ($) $ / shares in Units, $ in Millions						12 Months Ended
	Feb. 23, 2023	Feb. 22, 2023	Sep. 27, 2022	Feb. 23, 2022	Feb. 17, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (in shares)						1,568,000
Granted (in shares)						214,000
Exercised (in shares)						(74,200)	(32,196)	(423,294)
Canceled or expired (in shares)						(105,000)
Outstanding at end of year (in shares)						1,603,000	1,568,000
Exercisable at end of year (in shares)						688,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period (in usd per share)						$ 35.23
Granted (in usd per share)						32.69
Exercised (in usd per share)						23.98	$ 25.49	$ 21.99
Canceled or expired (in usd per share)						40.89
Outstanding at end of year (in usd per share)						35.04	$ 35.23
Exercisable at end of year (in usd per share)						$ 30.38
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value						$ 0.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Granted (in shares)	58,500	214,191	12,600	310,000	701,400	150,000