Carrying Amounts and Fair Values of Certain Assets (Detail) - USD ($) $ in Thousands	Dec. 29, 2019	Dec. 30, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents, carrying amount	$ 180,459	$ 11,877
Restricted cash equivalents, carrying amount	126,963	112,272
Investments in marketable securities, carrying amount	11,982	8,718
Advertising fund cash equivalents, restricted, carrying amount	67,851	31,547
Advertising fund investments, restricted, carrying amount		50,152
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents, carrying amount	180,459	11,877
Restricted cash equivalents, carrying amount	126,963	112,272
Investments in marketable securities, carrying amount	11,982	8,718
Advertising fund cash equivalents, restricted, fair value	$ 67,851	31,547
Advertising fund investments, restricted, fair value		$ 50,152

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Advertising fund cash equivalents restricted fair value disclosure.

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Advertising fund investments restricted.

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Advertising fund investments restricted fair value disclosure.

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- Definition

Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of investment in marketable security, classified as noncurrent.

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Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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