Gain upon cancellation.

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Intrinsic value associated with new award.

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Percentage of above-target performance on revenues.

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Percentage of amount equal to target number.

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Percentage of performance objective applicable to PSU EBITDA objective.

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Percentage of performance objective applicable to Revenue objective.

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Shares related to above-target revenue metric performance restricted stock units.

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Amount, after tax, of expense for award under share-based payment arrangement.

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Face amount or stated value per share of common stock.

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

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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 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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Gross 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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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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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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Percentage of vesting of award under share-based payment arrangement.

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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 shares issued which are neither cancelled nor held in the treasury.

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Amount of interest expense for an underpayment of income taxes.

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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Stock Based Compensation [Line Items]
Share-based Payment Arrangement, Expense	$ 12.5	$ 10.3	$ 20.3	$ 20.2
Share-based payment arrangement, expense, tax benefit	$ 3.0	$ 1.5	$ 4.5	$ 3.1
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.0001		$ 0.0001		$ 0.0001
Performance Stock Units [Member]
Stock Based Compensation [Line Items]
Percentage of performance objective applicable to PSU EBITDA objective	64.60%		64.60%
Percentage of performance objective applicable to Revenue objective	126.20%		126.20%
Percentage of above-target performance on Revenues	26.20%		26.20%
Percentage of amount equal to target number	9.20%		9.20%
Shares related to above-target Revenue Metric PSUs			205,834
Gain upon cancellation			$ 1.1
Intrinsic value associated with new award	$ 1.2		$ 1.2
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Performance Stock Units [Member] \| Maximum [Member]
Stock Based Compensation [Line Items]
Percentage of vesting of award under share-based payment arrangement			150.00%
Performance Stock Units [Member] \| Minimum [Member]
Stock Based Compensation [Line Items]
Percentage of vesting of award under share-based payment arrangement			0.00%
Restricted Stock Units (RSUs) [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Unrecognized compensation expenses	$ 40.0		$ 40.0
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period			2 years 4 months 24 days
Stock Options [Member]
Stock Based Compensation [Line Items]
Non-qualified stock option,Granted			945,664
Non-qualified stock option, Forfeited			261,324
Weighted average exercise price			$ 5.99
Non-qualified stock options, Outstanding	945,664		945,664
Weighted average exercise price			$ 9.20
Unrecognized compensation expense			$ 1.6
Weighted-average period			1 year 8 months 12 days
Intrinsic value of all outstanding options	$ 0.0		$ 0.0
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 3.80		$ 3.80