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Stock Compensation - Schedule of Valuation Assumptions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Employee Stock
Stock compensation
Average risk-free interest rates	4.72%	3.74%	0.40%
Average expected life (in years)	6 months	6 months	6 months
Volatility	25.00%	25.00%	33.00%
Weighted-average fair value (in dollars per share)	$ 12.68	$ 14.99	$ 18.02
Options
Stock compensation
Average risk-free interest rates	4.01%	2.14%	0.62%
Average expected life (in years)	5 years 18 days	4 years 10 months 24 days	5 years 3 days
Volatility	32.00%	36.00%	39.00%
Weighted-average fair value (in dollars per share)	$ 24.35	$ 26.06	$ 29.03

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The weighted-average grant-date fair value of awards granted during the reporting period.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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