Carrying Amounts and Fair Values of Certain Assets (Detail) - USD ($) $ in Thousands	Mar. 28, 2021	Jan. 03, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents, carrying amount	$ 194,325	$ 151,502
Restricted cash equivalents, carrying amount	104,232	126,595
Investments in marketable securities, carrying amount	13,384	13,251
Advertising fund cash equivalents, restricted, carrying amount	113,384	104,197
Inverstments	82,500	40,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents, carrying amount	194,325	151,502
Restricted cash equivalents, carrying amount	104,232	126,595
Investments in marketable securities, carrying amount	13,384	13,251
Advertising fund cash equivalents, restricted, fair value	113,384	104,197
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Inverstments	$ 82,500	$ 40,000

Advertising fund cash equivalents restricted.

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Advertising fund cash equivalents restricted fair value disclosure.

+ References

No definition available.

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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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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.

+ References

No definition available.

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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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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