Long Term Debt and Capital Leases (Net of Issuance Costs and Debt Discounts Excluding Line-of-credit Arrangements) (Detail) - USD ($) $ in Thousands	Oct. 06, 2018	Dec. 30, 2017
Debt Instrument [Line Items]
Capital lease obligations	$ 23,063	$ 27,150
Other notes payable	8,583	12,167
Total debt and capital lease obligations	825,376	832,236
Current maturities of long-term debt and capital lease obligations	11,286	12,095
Total long-term debt and capital lease obligations	814,090	820,141
Unsecured Credit Facility
Debt Instrument [Line Items]
Unsecured credit facility		0
2026 Notes
Debt Instrument [Line Items]
Senior notes	395,418	394,978
2022 Notes
Debt Instrument [Line Items]
Senior notes	$ 398,312	$ 397,941

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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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

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Amount of long-term notes payable classified as other.

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Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Senior note holders are paid off in full before any payments are made to junior note holders.

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