Intangible Assets (Tables)
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12 Months Ended | 
Dec. 30, 2021  | 
| Goodwill and Intangible Assets Disclosure [Abstract] | 
 
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| Schedule of Carrying Amount of Goodwill | 
 Goodwill and changes in the carrying amount of goodwill are as follows for the periods presented: 
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| in thousands | 
December 30, 2021 | 
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December 31, 2020 | 
 
| Goodwill, balance at beginning of year | 
$ | 
227,447  | 
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$ | 
227,447  | 
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Acquisitions (1)  | 
28,026  | 
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—  | 
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| Goodwill, balance at end of year | 
$ | 
255,473  | 
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$ | 
227,447  | 
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(1)    Reflects goodwill related to the Spartan acquisition. See Note 14, “Acquisition” for additional details. 
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| Schedule of Finite-Lived Intangible Assets | 
 
In accordance with ASC 350, Intangibles—Goodwill and Other, identifiable intangible assets with finite lives are amortized over their estimated useful lives. The estimated lives of the Company’s finite-lived intangible assets are as follows:
 
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Useful Life | 
 
| Customer relationships | 
12 years | 
 
| Non-compete agreement | 
5 years | 
 
  
The gross carrying amount and accumulated amortization of other intangible assets as of December 30, 2021 and December 31, 2020 are as follows: 
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December 30, 2021 | 
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December 31, 2020 | 
 
| in thousands | 
Gross carrying amount | 
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Accumulated amortization | 
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Net carrying value | 
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Gross carrying amount | 
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Accumulated amortization | 
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Net carrying value | 
 
| Amortizable intangible assets: | 
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| Customer relationships | 
$ | 
34,900  | 
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$ | 
(1,697) | 
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$ | 
33,203  | 
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$ | 
—  | 
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$ | 
—  | 
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$ | 
—  | 
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Non-compete agreement  | 
300  | 
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(37) | 
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263  | 
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—  | 
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—  | 
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—  | 
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| Total amortizable intangible assets | 
35,200  | 
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(1,734) | 
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33,466  | 
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—  | 
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—  | 
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—  | 
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| Indefinite-lived intangible assets: | 
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| Trade names | 
118,469  | 
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—  | 
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118,469  | 
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 | 
109,269  | 
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—  | 
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109,269  | 
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| Total intangible assets: | 
$ | 
153,669  | 
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$ | 
(1,734) | 
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$ | 
151,935  | 
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$ | 
109,269  | 
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$ | 
—  | 
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$ | 
109,269  | 
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| Schedule of Indefinite-Lived Intangible Assets | 
 The gross carrying amount and accumulated amortization of other intangible assets as of December 30, 2021 and December 31, 2020 are as follows: 
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December 30, 2021 | 
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December 31, 2020 | 
 
| in thousands | 
Gross carrying amount | 
 | 
Accumulated amortization | 
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Net carrying value | 
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Gross carrying amount | 
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Accumulated amortization | 
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Net carrying value | 
 
| Amortizable intangible assets: | 
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| Customer relationships | 
$ | 
34,900  | 
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$ | 
(1,697) | 
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$ | 
33,203  | 
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$ | 
—  | 
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$ | 
—  | 
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$ | 
—  | 
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Non-compete agreement  | 
300  | 
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(37) | 
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263  | 
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—  | 
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—  | 
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—  | 
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| Total amortizable intangible assets | 
35,200  | 
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(1,734) | 
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33,466  | 
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—  | 
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—  | 
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—  | 
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| Indefinite-lived intangible assets: | 
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| Trade names | 
118,469  | 
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—  | 
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118,469  | 
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 | 
109,269  | 
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—  | 
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 | 
109,269  | 
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| Total intangible assets: | 
$ | 
153,669  | 
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$ | 
(1,734) | 
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$ | 
151,935  | 
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$ | 
109,269  | 
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$ | 
—  | 
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$ | 
109,269  | 
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| Schedule of Future Amortizable Expense Related to Other Intangible Assets | 
 As of December 30, 2021, the estimated aggregate future amortizable expense related to other intangible assets is as follows: 
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| in thousands | 
Amount | 
 
| 2022 | 
$ | 
2,974  | 
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| 2023 | 
2,974  | 
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| 2024 | 
2,974  | 
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| 2025 | 
2,974  | 
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| 2026 | 
2,908  | 
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| Thereafter | 
18,662  | 
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| Total | 
$ | 
33,466  | 
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