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Restructuring Charges and Asset Impairment - Schedule of Activity of Reserves for Closed Properties (Detail) - USD ($) $ in Thousands | 4 Months Ended
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Apr. 20, 2019 | Apr. 21, 2018
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | $ 16,386 |
Reclassification of lease liabilities | (8,177) |
Provision for severance | 149 | $ 125
Changes in estimates | 35 |
Accretion expense | 141 |
Payments | (740) |
Ending balance | 8,160 |
Business Restructuring Reserves [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Provision for closing charges | 366 | $ 3,903
Lease and Ancillary Costs [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Beginning balance | 16,386 |
Reclassification of lease liabilities | (8,177) |
Changes in estimates | 35 |
Accretion expense | 141 |
Payments | (705) |
Ending balance | 8,046 |
Lease and Ancillary Costs [Member] | Business Restructuring Reserves [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Provision for closing charges | 366 |
Severance [Member] |  |
Restructuring Cost And Reserve [Line Items] |  |
Provision for severance | 149 |
Payments | (35) |
Ending balance | $ 114 |

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