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Shareholders' Equity (Awards) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 45.4
Weighted average period costs expected to be recognized (in years)	3 years 6 months
Stock Options and Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date fair value of Stock options & SARs (in dollars per share)	$ 42.47	$ 22.62	$ 20.59
Expected stock price volatility (percent)	39.27%	26.89%	26.59%
Risk-free interest rate (percent)	0.81%	0.89%	2.58%
Expected annual dividend yield (percent)	0.64%	0.82%	1.08%
Expected term of option & SARs (in years)	5 years 6 months	5 years 6 months	5 years 7 months 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Number of shares outstanding, Beginning Balance	3,336
Number of shares, Granted	701
Number of shares, Forfeited	(177)
Number of shares, Exercised	(596)
Number of shares outstanding, Ending Balance	3,264	3,336
Number of shares, Exercisable	1,284
Number of shares, Stock options & SARs expected to vest	1,980
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price, Beginning Balance (in dollars per share)	$ 66.76
Weighted average exercise price, Granted (in dollars per share)	123.21
Weighted average exercise price, Forfeited (in dollars per share)	82.35
Weighted average exercise price, Exercised (in dollars per share)	51.59
Weighted average exercise price, Ending Balance (in dollars per share)	80.79	$ 66.76
Exercisable, Weighted Average Exercise Price (in dollars per share)	59.40
Stock options & SARs expected to vest, Weighted Average Exercise Price (in dollars per share)	$ 94.67
Weighted average remaining contractual term, options outstanding (in years)	7 years
Weighted average remaining contractual term, options exercisable (in years)	5 years 6 months
Aggregate intrinsic value, options outstanding	$ 199.0
Aggregate intrinsic value, options exercisable	105.8
Aggregate intrinsic value	$ 49.2	$ 26.6	$ 17.0
Restricted Stock Units (RSUs) and Performance Share Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Number of shares outstanding, Beginning Balance	61
Number of shares, Granted	21
Number of shares, Vested	(30)
Number of shares, Forfeited	(1)
Number of shares outstanding, Ending Balance	51	61
Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted average grant date fair value, Beginning Balance (in dollars per share)	$ 77.03
Weighted average grant date fair value, Granted (in dollars per share)	129.94	$ 85.45	$ 78.64
Weighted average grant date fair value, Vested (in dollars per share)	73.11
Weighted average grant date fair value, Forfeited (in dollars per share)	55.96
Weighted average grant date fair value, Ending Balance (in dollars per share)	$ 101.55	$ 77.03
Total fair value of shares vested	$ 2.2	$ 6.2	$ 2.8

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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