Shareholders' Equity (Schedule of Assumptions Used in Black Scholes valuation for Options and SAR's) (Details) - SARs - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Per share weighted average fair value of grants (in dollars per share)	$ 54.20	$ 42.21	$ 25.97
Risk-Free Interest Rate	4.10%	1.80%	0.70%
Expected Life (Years)	5 years	4 years	4 years 2 months 12 days
Expected Volatility	35.80%	35.30%	34.10%
Expected Dividend Yield	0.90%	0.90%	0.90%