Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Summary of Assumptions for Options Granted

A summary of assumptions for options granted in each of the three years 2020 through 2022 is as follows:

	2022		2021		2020
Volatility factor	22.3	%	21.8	%	15.7	%
Dividend yield	0.8	%	0.8	%	0.7	%
Expected term (in years)	5.12		5.11		5.12
Risk-free rate	1.9	%	0.6	%	1.2	%