Stock Incentive Plans - Long Term Cash Incentive Plan (Details) $ in Millions |
12 Months Ended | |||
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Dec. 27, 2020
USD ($)
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Dec. 29, 2019
USD ($)
Period
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Dec. 30, 2018
USD ($)
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Dec. 31, 2017
Period
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Number of performance periods | Period | 3 | 1 | ||
| Deferred compensation, excluding share-based payments and retirement benefits | Long-term cash incentive plan | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Performance and vesting period | 3 years | 1 year | 3 years | |
| LTI Cash Compensation Expense | $ 0.2 | $ 0.2 | $ 0.7 | |
| Payments of Deferred Compensation, Cash Based Arrangements | 0.5 | 0.0 | ||
| Deferred compensation, excluding share-based payments and retirement benefits | Long-term cash incentive plan | Accrued payroll liabilities and payroll-related liabilities | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Long-term cash incentive plan liability | $ 0.8 | $ 1.1 | ||
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- Definition Deferred Compensation Arrangement With Individual, Number Of Performance Periods No definition available.
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- Definition Payments of Deferred Compensation, Cash Based Arrangements No definition available.
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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable within one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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