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Stock-based Compensation Plans (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	May 10, 2022	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	May 09, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement by Share Based Payment Award, Reduction in Shares Available for Grant Per Share Issued	3.2
Stock-based compensation expense		$ 35.6	$ 31.0	$ 31.1
Tax benefit from compensation expense		$ 7.5	6.5	6.5
Vesting period		3 years
Award expiration Period		10 years
Cash received for options exercised		$ 15.4	16.7	6.5
Share-based Compensation Arrangement by Share-Based Payment Award, Options, Tax Benefit Realized from Options Exercised		1.9	$ 1.3	$ 0.3
Aggregate intrinsic value, outstanding		62.1
Aggregate intrinsic value, exercisable		$ 52.5
Weighted average remaining contractual life, outstanding (in years)		5 years 4 months 24 days
Weighted average remaining contractual life, exercisable (in years)		4 years 4 months 24 days
Weighted average grant date fair value of options granted		$ 35.33	$ 30.17	$ 31.55
Fair value of vested shares		$ 4.1	$ 1.0
Vesting Each Year [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rate		33.33%	33.33%	33.33%
ESPP Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized under plan					1,250,000
Number of shares available for grant		1,208,660
Option or SAR [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement by Share Based Payment Award, Reduction in Shares Available for Grant Per Share Issued	1
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense		$ 1.4
Unrecognized compensation expense, weighted average period of recognition		1 year 6 months
Market-Based Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		3 years	3 years	3 years
Granted, Shares		23,492	25,414	21,789
Forfeited, Shares		0	0	598
Market-Based Restricted Stock Units [Member] | 2022 Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares		14,369
Increase as grant in period, percentage		100.00%
Granted, Weighted Average Grant Date Fair Value		$ 152.88
Market-Based Restricted Stock Units [Member] | 2021 Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares			6,339
Increase as grant in period, percentage			100.00%
Granted, Weighted Average Grant Date Fair Value			$ 108.06
Market-Based Restricted Stock Units [Member] | 2020 Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares				2,836
Increase as grant in period, percentage				100.00%
Time-Based Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		3 years	3 years	3 years
Granted, Shares		137,914	160,751	155,645
Granted, Weighted Average Grant Date Fair Value		$ 160.41	$ 133.58	$ 137.59
Forfeited, Shares		17,934	23,518	20,304
Performance and Market-Based Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in fair value of awards vested		$ 0.9	$ 0.9	$ 1.1
Fair value outstanding		$ 20.5
Weighted average remaining contractual life		1 year 2 months 12 days
Performance and Market-Based Restricted Stock Units [Member] | Minimum [Member] | Senior Management [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance metric, potential range		0.00%	0.00%	0.00%
Performance and Market-Based Restricted Stock Units [Member] | Maximum [Member] | Senior Management [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance metric, potential range		200.00%	150.00%	150.00%
Performance-Based Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase as grant in period, percentage		100.00%
Decrease as grant in period, percentage		100.00%
Performance-Based Awards [Member] | 2022 Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares		5,246
Increase as grant in period, percentage		100.00%
Granted, Weighted Average Grant Date Fair Value		$ 139.51
Performance-Based Awards [Member] | 2021 Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares			2,615
Increase as grant in period, percentage			100.00%
Granted, Weighted Average Grant Date Fair Value			$ 115.35
Performance-Based Awards [Member] | 2020 Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares				5,961
Increase as grant in period, percentage				100.00%
Granted, Weighted Average Grant Date Fair Value				$ 118.54
Performance-Based restricted stock units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, Shares		28,868	27,922	28,326
Forfeited, Shares		0	0	559
Performance-Based restricted stock units [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance metric, potential range		0.00%	0.00%	0.00%
Performance-Based restricted stock units [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance metric, potential range		200.00%	150.00%	150.00%
Restricted Stock and Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in fair value of awards vested		$ 3.9	$ 2.4	$ 2.7
Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Fair value outstanding		$ 55.2
Weighted average remaining contractual life		1 year 2 months 12 days
Unvested Restricted Stock Units and Performance and Market-Based Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense		$ 18.8
Unrecognized compensation expense, weighted average period of recognition		1 year 8 months 12 days
2022 Stock Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized under plan	3,380,000
Number of shares available for grant		1,786,722
Cash received for options exercised		$ 13.2	14.5	4.2
Intrinsic value of options exercised		$ 11.3	$ 8.4	$ 2.6

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