Automatic annual increase in number of shares reserved for future issuance.

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Common stock capital shares additional number of shares authorized for future issuance reserved for future issuance.

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No definition available.

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Date until which automatic annual increase in number of shares reserved for future issuance.

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Effective date from which automatic annual increase in number of shares reserved for future issuance.

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- Definition

Percentage of automatic annual increase in number of shares reserved for future issuance.

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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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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

Discount rate from fair value on offering date that participants pay for shares.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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

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- Definition

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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- Definition

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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- 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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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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- Definition

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

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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 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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- 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

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

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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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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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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Expected term of 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

Purchase price of common stock expressed as a percentage of its fair value.

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No definition available.

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- Definition

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

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Stock-Based Awards - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Jan. 01, 2022	Sep. 21, 2017	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued under ESPP (in shares)			90,947	37,298,000,000
Intrinsic value of stock options exercised			$ 15.7	$ 86.0	$ 53.2
Weighted average grant-date fair value per share of options granted (in dollars per share)			$ 17.95	$ 36.71	$ 19.22
Nonvested shares outstanding (in shares)				0
Unrecognized compensation cost related to unvested share-based awards			$ 101.1
Unrecognized compensation cost related to unvested share-based awards, period for recognition			2 years 1 month 6 days
President And Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense					$ 2.4
Time-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units, granted (in shares)			1,341,899
Weighted average grant date fair value, granted (in dollars per share)			$ 31.12
Vested (in shares)			112,854		500,000
Weighted average grant date fair value, vested (in dollars per share)			$ 48.48
Fair-value of units			$ 4.7	$ 2.3
Forfeited (in shares)			129,938
Weighted average grant date fair value, forfeited (in dollars per share)			$ 46.95
Nonvested shares outstanding (in shares)			1,537,732	438,625
Time-based restricted stock units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period			4 years	4 years	4 years
Time-based restricted stock units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period			1 year	1 year	1 year
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock units, granted (in shares)			0	0
Nonvested shares outstanding (in shares)			0
Unvested employee stock purchase plan shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value of common stock			85.00%
Discount percentage			15.00%
Purchase period			6 months
2017 Stock Option and Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)			10 years
2017 Stock Option and Incentive Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of fair market value of common stock			100.00%
2017 Stock Option and Incentive Plan \| Employees and Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation, vesting period			4 years
Common Shares \| 2017 Stock Option and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares reserved for issuance (in shares)		2,655,831	615,131
Effective date from which automatic annual increase in number of shares reserved for future issuance		Jan. 01, 2018
Percentage of automatic annual increase in number of shares reserved for future issuance		4.00%
Common Shares \| 2017 Stock Option and Incentive Plan \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in shares reserved for issuance (in shares)	2,341,985
Common Shares \| 2017 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares reserved for issuance (in shares)		306,750	1,681,188
Effective date from which automatic annual increase in number of shares reserved for future issuance		Jan. 01, 2018
Date until which automatic annual increase in number of shares reserved for future issuance		Jan. 01, 2027
Common Shares \| 2017 Employee Stock Purchase Plan \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in shares reserved for issuance (in shares)	400,000
Common Shares \| 2017 Employee Stock Purchase Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of automatic annual increase in number of shares reserved for future issuance		1.00%
Automatic annual increase in number of shares reserved for future issuance (in shares)		400,000
Common Shares \| Inducement Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares reserved for issuance (in shares)	800,000