Maximum target number of market stock units granted based on stock performance in percent.

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Minimum target number of market stock units granted based on stock performance in percent.

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Number of days for calculation of average closing stock price.

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- Definition

Number of equal annual increments.

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- Definition

Number of share-based compensation plans pursuant to which awards are currently being made.

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No definition available.

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- Definition

Total number of shares of common stock for issuance.

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- Definition

Ratio of total number of shares reserved under the plan.

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- Definition

Weighted-average period to recognize the cost of nonvested awards.

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No definition available.

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- Definition

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

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- Definition

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

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- Definition

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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- Definition

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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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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Share-Based Payments - Narrative (Details) $ / shares in Units, $ in Millions	1 Months Ended			3 Months Ended	12 Months Ended
	Jun. 30, 2017 shares	Jun. 30, 2015 shares	May 31, 2006 shares	Mar. 31, 2018	Dec. 31, 2022 USD ($) Increment plan $ / shares shares	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) $ / shares	Dec. 31, 2013 Increment
Share-based Compensation Arrangement by Share-based Payment Award
Unrecognized compensation cost related to unvested share-based compensation					$ 290.5
Weighted-average period to recognize the cost of unvested awards					2 years
Number of share-based compensation plans pursuant to which awards are currently being made \| plan					3
Total intrinsic value of options exercised							$ 2.9
Shares issued under ESPP (in shares) \| shares		6,200,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award
Share based payment arrangement, term					10 years
Market Stock Units (MSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Number of equal annual increments \| Increment					3			4
Percentage of earnings of the target number of units granted based on actual stock performance					0.00%			0.00%
Percentage of earnings of the target number of units granted based on actual stock performance					200.00%			150.00%
Total fair value of vested awards					$ 18.8	$ 22.5	$ 26.9
Granted (in dollars per share) \| $ / shares					$ 0	$ 358.77	$ 398.61
Cash Settled Performance Units (CSPUs)
Share-based Compensation Arrangement by Share-based Payment Award
Number of equal annual increments \| Increment					3
Percentage of earnings of the target number of units granted based on actual stock performance					0.00%
Percentage of earnings of the target number of units granted based on actual stock performance					200.00%
Number of days for calculation of average closing stock price					30 days
Cash settlement of awards upon vesting							$ 3.8
Performance Units (PUs)
Share-based Compensation Arrangement by Share-based Payment Award
Number of equal annual increments \| Increment					3
Percentage of earnings of the target number of units granted based on actual stock performance					0.00%
Percentage of earnings of the target number of units granted based on actual stock performance					200.00%
Number of days for calculation of average closing stock price					30 days
Total fair value of vested awards					$ 9.5	$ 15.5
Cash settlement of awards upon vesting							3.4
Granted (in dollars per share) \| $ / shares					$ 294.43
PSUs Settled in Stock
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period				3 years
Percentage of earnings of the target number of units granted based on actual stock performance					0.00%
Percentage of earnings of the target number of units granted based on actual stock performance					200.00%
Granted (in dollars per share) \| $ / shares					$ 294.43
PSUs Settled in Cash
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period				3 years
Percentage of earnings of the target number of units granted based on actual stock performance					0.00%
Percentage of earnings of the target number of units granted based on actual stock performance					200.00%
Number of days for calculation of average closing stock price					30 days
Total fair value of vested awards					$ 11.0	9.9
Time-Vested Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award
Vesting period					3 years
Total fair value of vested awards					$ 116.3	$ 132.2	$ 140.5
Granted (in dollars per share) \| $ / shares					$ 221.28	$ 276.90	$ 318.87
Directors Plan
Share-based Compensation Arrangement by Share-based Payment Award
Total number of shares of common stock for issuance (in shares) \| shares			1,600,000
Ratio of total number of shares reserved under the plan			1.5
2017 Omnibus Equity Plan
Share-based Compensation Arrangement by Share-based Payment Award
Ratio of total number of shares reserved under the plan	1.5
Omnibus Plan number of shares authorized (in shares) \| shares	8,000,000
2017 Omnibus Equity Plan \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award
Stock options granted (in shares) \| shares					81,000
Stock options granted, weighted average price (in dollars per share) \| $ / shares					$ 139.10
Stock options granted, grant date fair value					$ 11.2
Vesting period					3 years