Stock-based Compensation - Valuation Assumptions of Stock Options (Details) - Black Scholes Weighted Average Assumptions [Member] - Stock Option [Member] - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Jan. 03, 2021 |
Dec. 29, 2019 |
Dec. 30, 2018 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |||
| Expected dividend yield | 0.00% | ||
| Expected volatility | 42.10% | ||
| Expected forfeiture | 30.00% | ||
| Risk-free interest rate | 2.84% | ||
| Expected stock option life in years | 4 years | ||
| Weighted-average stock option fair value per stock option granted | $ 1.00 | ||
| X | ||||||||||
- Definition The estimated forfeiture rate of the underlying shares over the option's term. No definition available.
|
| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|