Share-Based Compensation (Restricted Stock Unit Activity) (Details) - Restricted Stock Units (RSUs) - $ / shares						12 Months Ended
	Jul. 01, 2022	May 26, 2022	Mar. 09, 2022	Mar. 03, 2022	Jan. 01, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of RSUs
Number of RSUs, beginning of year (in shares)					198,000	198,000	205,000	212,000
Number of RSUs, granted (in shares)	1,432	16,534	16,324	47,831	595	82,000	80,000	79,000
Number of RSUs, vested (in shares)						(40,000)	(77,000)	(81,000)
Number of RSUs, forfeited (in shares)						(36,000)	(10,000)	(5,000)
Number of RSUs, end of year (in shares)						204,000	198,000	205,000
Weighted Average Grant-date Fair Value
Weighted average grant-date fair value, beginning of year (in dollars per share)					$ 31.07	$ 31.07	$ 28.23	$ 25.97
Weighted average grant-date fair value, granted (in dollars per share)						30.68	33.13	24.16
Weighted average grant-date fair value, vested (in dollars per share)						34.29	25.87	19.02
Weighted average grant-date fair value, forfeited (in dollars per share)						33.15	29.43	15.75
Weighted average grant-date fair value, end of year (in dollars per share)						$ 29.92	$ 31.07	$ 28.23