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Franchise Rights Acquired, Goodwill and Other Intangible Assets - Schedule of Carrying Values of Finite-lived Intangible Assets (Detail) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 252,872	$ 231,412
Accumulated Amortization	189,863	168,819
Capitalized software costs
Finite-Lived Intangible Assets
Gross Carrying Amount	127,891	119,537
Accumulated Amortization	105,530	97,588
Website development costs
Finite-Lived Intangible Assets
Gross Carrying Amount	91,098	77,823
Accumulated Amortization	63,406	50,748
Trademarks
Finite-Lived Intangible Assets
Gross Carrying Amount	11,974	11,869
Accumulated Amortization	11,402	11,228
Other
Finite-Lived Intangible Assets
Gross Carrying Amount	14,043	14,003
Accumulated Amortization	5,062	4,637
Trademarks and other intangible assets
Finite-Lived Intangible Assets
Gross Carrying Amount	245,006	223,232
Accumulated Amortization	185,400	164,201
Franchise Rights
Finite-Lived Intangible Assets
Gross Carrying Amount	7,866	8,180
Accumulated Amortization	$ 4,463	$ 4,618

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
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