Schedule of Share Based Compensation Stock Options (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share-Based Payment Arrangement [Abstract]
Intrinsic Value of Stock Options Exercised	$ 3.3	$ 12.0	$ 29.6	$ 30.8
Stock Compensation Expense Related to Stock Option Awards	$ 4.1	$ 3.4	$ 21.6	$ 19.9
Issued Stock Options	0.0	0.0	1.5	1.5
Weighted Average Fair Value of Stock Options issued (per share)	$ 0.0	$ 0.0	$ 21.48	$ 17.33
Fair Value of Stock Options Issued	$ 0.0	$ 0.0	$ 32.7	$ 26.1

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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The fair value of stock issued in noncash financing activities.

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Amount of noncash expense for option under share-based payment arrangement.

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