Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2024

Equity [Abstract]

Schedule of share-based compensation activity

The table below presents share-based compensation activity for 2024, 2023 and 2022:

	2024	2023	2022
Total Intrinsic Value of Share-Based Incentive Awards Exercised	$22.0	$6.2	$7.8
Cash Received from Stock Option Exercises	4.9	2.5	3.5
Income Tax Benefit from the Exercise of Stock Options	21.2	5.3	6.1
Total Fair Value of Share-Based Incentive Awards Vested	13.4	10.9	8.2

Schedule of Assumptions used in Valuation for Options, SAR's, and Performance Share Units

The weighted average assumptions used in the Company's Black-Scholes valuation related to grants for options and SARs were as follows:

	2024	2023	2022
Per Share Weighted Average Fair Value of Grants	$62.85	$54.20	$42.21
Risk-Free Interest Rate	4.3%	4.1%	1.8%
Expected Life (Years)	5.0	5.0	4.0
Expected Volatility	38.0%	35.8%	35.3%
Expected Dividend Yield	0.8%	0.9%	0.9%

The assumptions used in the Company's Monte Carlo simulation related to grants for PSUs were as follows:

	December 31, 2024	December 31, 2023	December 31, 2022
Risk-free interest rate	4.5%	4.4%	1.8%
Expected life (years)	3.0	3.0	3.0
Expected volatility	36.0%	41.0%	38.0%
Expected dividend yield	—%	—%	—%

Schedule of Share-based Incentive Plan Grant Activity (Options and SAR's)

Following is a summary of share-based incentive plan activity (options and SARs) for 2024:

Number of Shares Under Options and SARs	Shares	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in millions)
Outstanding as of December 31, 2023	829,417	$	101.44
Granted	98,998	168.43
Exercised	(275,347)	85.85
Forfeited	(24,574)	151.93
Outstanding as of December 31, 2024	628,494	$	116.90	6.0	$	25.2
Exercisable as of December 31, 2024	443,632	$	99.47	5.0	$	24.7

RSA Award Activity

Following is the summary of RSAs activity for 2024:

	Shares	Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Term (years)
Unvested RSAs as of December 31, 2023	21,997	$	133.41	0.9
Granted	—	—
Vested	(18,451)	132.49
Forfeited	(1,555)	135.50
Unvested RSAs as of December 31, 2024	1,991	$	136.77	1.9

RSU Award Activity

Following is the summary of RSUs activity for 2024:

	Shares	Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Term (years)
Unvested RSUs as of December 31, 2023	263,596	$	143.43	1.9
Granted	142,551	165.10
Vested	(121,447)	143.18
Forfeited	(42,527)	153.56
Unvested RSUs as of December 31, 2024	242,173	$	154.79	1.8

PSU Award Activity

Following is the summary of PSUs activity for 2024:

	Shares	Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Term (years)
Unvested PSUs as of December 31, 2023	125,902	$	197.36	1.9
Granted	68,350	254.05
Vested	(43,708)	151.05
Forfeited	(8,458)	190.97
Unvested PSUs as of December 31, 2024	142,086	$	229.60	1.8