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Franchise Rights Acquired, Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
May 07, 2023 | May 08, 2022 | Aug. 10, 2018 | Jul. 01, 2023 | Jul. 02, 2022 | Jul. 01, 2023 | Jul. 02, 2022 | Dec. 31, 2022 | Jan. 01, 2022
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Finite-lived intangible assets, aggregate amortization expense |  |  |  | $ 10,443 | $ 8,761 | $ 18,962 | $ 16,935 |  |
Goodwill |  |  |  | 246,208 |  | 246,208 |  | $ 155,998 | $ 157,374
Franchise right maturity period | 7 years |  |  |  |  |  |  |  |
Goodwill impairment | $ 0 | $ 0 |  |  |  |  |  | $ 3,124 |
Kurbo Health, Inc |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  | $ 1,101 |  |  |  |  |  |
Net purchase price |  |  | $ 3,063 |  |  |  |  |  |
Kurbo, Inc |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Goodwill impairment |  |  |  |  | $ 1,101 |  |  |  |
United States |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 104,020 |  | 104,020 |  |  |
Canada |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 40,463 |  | 40,463 |  |  |
Other Countries |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 12,535 |  | $ 12,535 |  |  |
All Reporting Units Except for Republic of Ireland |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of goodwill held |  |  |  | 99.00% |  | 99.00% |  |  |
All Reporting Units Except for Republic of Ireland | Goodwill | Minimum |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of estimated fair value in excess of carrying amount | 120.00% |  |  |  |  |  |  |  |
Republic of Ireland |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | $ 2,381 |  | $ 2,381 |  |  |
Percentage of estimated fair value in excess of carrying amount | 55.00% |  |  |  |  |  |  |  |
Percentage of goodwill held |  |  |  | 1.00% |  | 1.00% |  |  |
Franchise Rights Acquired |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] | Asset Impairment Charges |  |  |  |  |  |  |  |
Indefinite-lived intangible assets, impairment charges | $ 0 |  |  |  |  |  |  |  |
Assumed cumulative annual revenue growth rate | 2.80% |  |  |  |  |  |  |  |
Franchise Rights Acquired | Maximum |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Finite-lived intangible assets, estimated useful life (in years) |  |  |  |  |  | 1 year |  |  |
Assumed Workshops + Digital revenue growth rate | (18.40%) |  |  |  |  |  |  |  |
Assumed operating income margin rates | 12.70% |  |  |  |  |  |  |  |
Assumed Digital revenue growth rate | 7.50% |  |  |  |  |  |  |  |
Franchise Rights Acquired | Minimum |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Assumed Workshops + Digital revenue growth rate | (37.10%) |  |  |  |  |  |  |  |
Assumed operating income margin rates | (6.40%) |  |  |  |  |  |  |  |
Assumed Digital revenue growth rate | (14.80%) |  |  |  |  |  |  |  |
Franchise Rights Acquired | Other Units of Account |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] |  | Asset Impairment Charges |  |  |  |  |  |  |
Indefinite-lived intangible assets, impairment charges |  | $ 0 |  |  |  |  |  |  |
Franchise Rights Acquired | United States |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Net book value of franchise rights acquired |  |  |  | $ 374,353 |  | $ 374,353 |  |  |
Franchise Rights Acquired | Canada |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  |  | Asset Impairment Charges |  |  |  |
Indefinite-lived intangible assets, impairment charges |  |  |  |  | $ 24,485 |  |  |  |
Franchise Rights Acquired | United Kingdom |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Net book value of franchise rights acquired |  |  |  | 2,799 |  | 2,799 |  |  |
Franchise Rights Acquired | Australia |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Net book value of franchise rights acquired |  |  |  | 4,137 |  | 4,137 |  |  |
Franchise Rights Acquired | New Zealand |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Net book value of franchise rights acquired |  |  |  | $ 2,350 |  | $ 2,350 |  |  |
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  |  | Asset Impairment Charges |  |  |  |
Indefinite-lived intangible assets, impairment charges |  |  |  |  | $ 834 |  |  |  |
Percentage of estimated fair value in excess of carrying amount | 20.00% |  |  |  |  |  |  |  |
Percentage of franchise rights acquired |  |  |  | 0.60% |  | 0.60% |  |  |
Franchise Rights Acquired | All Units of Account Except For New Zealand |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of franchise rights acquired |  |  |  | 99.40% |  | 99.40% |  |  |
Franchise Rights Acquired | All Units of Account Except For New Zealand | Minimum |  |  |  |  |  |  |  |  |
Goodwill And Intangible Assets Disclosure [Line Items] |  |  |  |  |  |  |  |  |
Percentage of estimated fair value in excess of carrying amount | 70.00% |  |  |  |  |  |  |  |

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