Long-term Debt (Schedule of Long-term Debt) (Details) - USD ($) $ in Thousands	Dec. 26, 2018	Dec. 27, 2017
Debt Instrument [Line Items]
Revolving loans	$ 286,500	$ 259,000
Capital lease obligations	30,591	30,222
Total long-term debt	317,091	289,222
Less current maturities	3,410	3,168
Noncurrent portion of long-term debt	$ 313,681	$ 286,054

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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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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