Income Taxes - Tax Rate (Details) - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 27, 2018 |
Dec. 28, 2017 |
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| Effect of Tax Cuts and Jobs Act of 2017 [Abstract] | ||
| Federal statutory tax rate (as a percent) | 21.00% | |
| State and local statutory rate (as a percent) | 3.60% | |
| Provisional amount related to Tax Cuts and Jobs Act of 2017 | $ 0.6 | $ 17.9 |
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- Definition n/a No definition available.
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- Definition Amount of reasonable estimate for income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete. No definition available.
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| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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