Receivables (Details) - USD ($) $ in Thousands	Dec. 28, 2016	Dec. 30, 2015
Receivables:
Trade accounts receivable from franchisees	$ 10,513	$ 10,591
Financing receivables from franchisees	2,804	1,352
Allowance for doubtful accounts	(280)	(297)
Receivables	19,841	16,552
Noncurrent assets (included as a component of other noncurrent assets):
Notes receivable from franchisees	732	541
Vendor receivables [Member]
Receivables:
Other receivable, gross, current	3,865	3,049
Credit card receivables [Member]
Receivables:
Other receivable, gross, current	1,678	1,606
Other [Member]
Receivables:
Other receivable, gross, current	$ 1,261	$ 251

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

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An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) within one year of the balance sheet date or the normal operating cycle, whichever is longer. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

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The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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