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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Outstanding, Weighted Average Exercise Price

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Period over which the awards are measured for fair value.

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Stock Appreciation Rights, Weighted Average Exercise Price

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Number of shares issued pursuant to the terms of a deferred compensation arrangement.

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Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

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

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Number of non-option equity instruments exercised by participants.

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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.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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Stock-Based Compensation - Vesting and Deferred Compensation Plan (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions			12 Months Ended
	May 02, 2021	May 06, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Performance share and restricted stock awards
Unrecognized compensation cost related to stock options			$ 34.5
Weighted average period of recognition of unrecognized compensation cost related to restricted stock awards			1 year 6 months
Stock option awards
Number of Shares
Outstanding at the beginning of the period (in shares)			1,826
Stock options granted (in shares)			362
Options exercised (in shares)			(826)
Options forfeited (in shares)			(92)
Outstanding at the end of the period (in shares)			1,270	1,826
Vested and exercisable at the end of the period (in shares)			652
Intrinsic value of options exercised			$ 72.8	$ 11.9	$ 25.4
Weighted Average Price
Outstanding at the beginning of the period (in dollars per share)			$ 114.03
Options granted (in dollars per share)			152.37
Options exercised (in dollars per share)			103.82
Options forfeited (in dollars per share)			136.83
Outstanding at the end of the period (in dollars per share)			129.32	$ 114.03
Vested and exercisable at the end of the period (in dollars per share)			$ 113.90
Weighted average contractual term			7 years 2 months 12 days
The weighted average contractual term of options exercisable			6 years
Aggregate intrinsic value of options outstanding			$ 150.9
Aggregate intrinsic value of options vested and exercisable			$ 87.4
Performance share and restricted stock awards
Vesting period of shares awarded under the Program			3 years
Unrecognized compensation cost related to stock options			$ 5.6
Restricted stock awards
Performance share and restricted stock awards
Vesting period of shares awarded under the Program			3 years
Unrecognized compensation cost related to stock options			$ 8.0
Weighted average period of recognition of unrecognized compensation cost related to restricted stock awards			1 year 9 months 18 days
Intrinsic value of shares vested during year ended December 31			$ 11.8	$ 9.6	$ 5.6
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at beginning of period (shares)			166
Awards granted (in shares)			72
Awards vested (in shares)			(72)
Awards forfeited (in shares)			(11)
Outstanding at end of period (shares)			155	166
Outstanding at beginning of period (in dollars per share)			$ 122.88
Awards granted (in dollars per share)			154.23	$ 147.78	$ 112.70
Awards vested (in dollars per share)			113.35
Awards forfeited (in dollars per share)			138.96
Outstanding at end of period (in dollars per share)			$ 141.32	$ 122.88
Weighted average contractual term			1 year
Aggregate intrinsic value			$ 38.4
Performance share awards
Performance share and restricted stock awards
Vesting period of shares awarded under the Program			3 years
Unrecognized compensation cost related to stock options			$ 8.8
Weighted average period of recognition of unrecognized compensation cost related to restricted stock awards			1 year 9 months 18 days
Fair value of shares vested during year ended December 31			$ 13.3	$ 12.9	$ 5.0
Measurement period			3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at beginning of period (shares)			136
Awards granted (in shares)			54
Awards vested (in shares)			(85)
Awards converted (in shares)			41
Awards forfeited (in shares)			(8)
Outstanding at end of period (shares)			138	136
Outstanding at beginning of period (in dollars per share)			$ 170.34
Awards granted (in dollars per share)			213.13	$ 222.50	$ 149.27
Awards vested (in dollars per share)			141.70
Awards converted (in dollars per share)			141.70
Awards forfeited (in dollars per share)			198.93
Outstanding at end of period (in dollars per share)			$ 196.15	$ 170.34
Weighted average contractual term			1 year
Aggregate intrinsic value			$ 34.1
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Awards granted (in shares)				8	12
Outstanding at beginning of period (in dollars per share)			$ 161.41	$ 110.79
Outstanding at end of period (in dollars per share)				$ 161.41	$ 110.79
Stock appreciation rights
Performance share and restricted stock awards
Stock appreciation rights settled for cash	$ 22.2
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at beginning of period (shares)			281
Awards exercised (in shares)			(262)
Awards forfeited (in shares)			(19)
Outstanding at end of period (shares)			0	281
Aggregate intrinsic value			$ 0.0
Stock Appreciation Rights, Weighted Average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per share)			$ 106.85
Awards exercised (in dollars per share)			106.85
Awards forfeited (in dollars per share)			106.85
Outstanding at end of period (in dollars per share)			$ 0	$ 106.85
Eligible Directors \| Restricted stock units
Performance share and restricted stock awards
Vesting period of shares awarded under the Program		1 year
Board member retirement age for vesting		72 years
Consecutive years of service on the board for vesting		18 years
Deferred Compensation Equity
Number of Shares
Number of common stock deferred (in shares)			84	84
Performance share and restricted stock awards
Number of common stock deferred (in shares)			84	84