Debt, Obligations Under Capital Leases and Deemed Landlord Financing Liabilities - Schedule of Debt (Detail) - USD ($) $ in Thousands	Mar. 26, 2019	Jan. 01, 2019
Debt Instrument [Line Items]
Total outstanding indebtedness	$ 153,475	$ 158,386
Obligations under finance lease, other debt and deemed landlord financing liabilities	1,579	21,311
Total debt	155,054	179,697
Less: amounts due within one year	481	1,033
Total amounts due after one year, net	154,573	178,664
2015 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit Facility	153,475	158,386
Debt discount	393	459
Deferred finance costs	$ 132	$ 155

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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