Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Trading Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Interval Vesting Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Potential Annual Share Increase

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- Definition

Share-based Compensation Expense, Business Combination Related Expense

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

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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- 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

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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- Definition

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

+ References

No definition available.

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- Definition

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

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-Publisher FASB
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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

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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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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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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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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Stock-based Compensation - Additional Information (Details) - USD ($) $ in Millions				3 Months Ended	6 Months Ended	12 Months Ended
	Jan. 02, 2020	Jan. 02, 2019	Jan. 02, 2018	Mar. 31, 2018	Jun. 30, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation						$ 22.6
Stock-based compensation expense, acquisitions						$ 1.3	$ 3.8	$ 3.9
Plan modification, incremental compensation cost							$ 7.0
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period						10 years
Award vesting rights, percentage					25.00%	25.00%
Award vesting period				48 months	4 years	4 years
Award requisite service period						4 years
Trading period immediately prior to and including the date of grant						30 days
Weighted-average period for unrecognized compensation						2 years 5 months 19 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period				4 years	4 years
Award vesting rights, percentage					25.00%
Award vesting period						4 years
Interval vesting period						6 months
Award requisite service period						4 years
Weighted-average period for unrecognized compensation						2 years 11 months 23 days
Unrecognized compensation						$ 107.4
2006 Stock Plan \| Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period						10 years
Award vesting rights, percentage						25.00%
Award vesting period						4 years
2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential annual share increase (in shares)						7,050,000
Percentage of outstanding stock						5.00%
Maximum number of additional shares issued annually (in shares)		2,395,434	6,088,461
Shares reserved for future issuance (in shares)						14,100,000
Number of shares authorized (in shares)						31,831,808
Number of shares available for grant (in shares)						20,494,369
2006 Plan Eligible for 2015 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares reserved for future issuance (in shares)						12,653,075
Subsequent Event [Member] \| 2015 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of additional shares issued annually (in shares)	5,917,139