Employee service share based compensation windfall tax benefit from compensation expense.

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- Definition

Minimum performance period.

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- Definition

Share based compensation arrangement by share based payment award outstanding aggregate fair value.

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No definition available.

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- Definition

Share based compensation arrangement by share based payment award post vesting restriction period.

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No definition available.

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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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- Definition

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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- 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

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

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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-Publisher FASB
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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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No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

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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- Definition

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

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Shareholders' Equity (Deficit) - Additional Information 2 (Detail) - USD ($) $ in Millions		12 Months Ended
	Feb. 12, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Windfall tax benefits for share-based compensation expense related to share-based awards and stock options		$ 22.3	$ 20.9	$ 82.5
Compensation cost related to unvested share-based awards not yet recognized		$ 52.3
Number of shares available for future grants		3,800,000
Assumed dividend yield applied in valuation		0.00%
Total fair value of Share-Based Awards converted or vested to common stock		$ 152.6	$ 133.6	401.7
Remaining stock options outstanding exercisable		0	0
Intrinsic value of the stock options exercised				$ 22.1
Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation cost related to unvested share-based awards not yet recognized, period for recognition		1 year
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation cost related to unvested share-based awards not yet recognized, period for recognition		5 years
Subsequent Event [Member] \| PSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Post-vesting restriction period	1 year
Subsequent Event [Member] \| PSUs [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of awards	3 years
Subsequent Event [Member] \| Bonus Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares grants in period	227,684
Aggregate fair value	$ 79.6
Subsequent Event [Member] \| Bonus Award [Member] \| RSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of awards	3 years
Subsequent Event [Member] \| Bonus Award [Member] \| PSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of awards	3 years
Minimum performance period	3 years