Annual report pursuant to Section 13 and 15(d)

Intangible Assets

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Intangible Assets
 12 Months Ended
Dec. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Goodwill and changes in the carrying amount of goodwill are as follows for the periods presented:
in thousands December 30, 2021 December 31, 2020
Goodwill, balance at beginning of year $ 227,447  $ 227,447 
Acquisitions (1)
 28,026  — 
Goodwill, balance at end of year $ 255,473  $ 227,447 
(1)    Reflects goodwill related to the Spartan acquisition. See Note 14, “Acquisition” for additional details.
The gross carrying amount and accumulated amortization of other intangible assets as of December 30, 2021 and December 31, 2020 are as follows:
December 30, 2021 December 31, 2020
in thousands Gross carrying amount Accumulated amortization Net carrying value Gross carrying amount Accumulated amortization Net carrying value
Amortizable intangible assets:
Customer relationships $ 34,900  $ (1,697) $ 33,203  $ —  $ —  $ — 
Non-compete agreement
 300  (37) 263  —  —  — 
Total amortizable intangible assets 35,200  (1,734) 33,466  —  —  — 
Indefinite-lived intangible assets:
Trade names 118,469  —  118,469  109,269  —  109,269 
Total intangible assets: $ 153,669  $ (1,734) $ 151,935  $ 109,269  $ —  $ 109,269 
Amortization expense related to amortizable intangible assets was $1.7 million for the fiscal year ended December 30, 2021 and was immaterial for the fiscal years ended December 31, 2020 and December 26, 2019.
As of December 30, 2021, the estimated aggregate future amortizable expense related to other intangible assets is as follows:
in thousands Amount
2022 $ 2,974 
2023 2,974 
2024 2,974 
2025 2,974 
2026 2,908 
Thereafter 18,662 
Total $ 33,466