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Intangbile assets | 12 Months Ended
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Dec. 31, 2022
INTANGIBLE ASSETS [Abstract] |
INTANGIBLE ASSETS | INTANGIBLE ASSETS The gross carrying amount of intangible assets not subject to amortization and intangible assets subject to amortization is as follows (in thousands):
| December 31, 2022 |  | January 1, 2022
Indefinite Lived Intangible Assets |  |  |
Trade names | $ | 51,639 |  |  | $ | 53,133 |
| 51,639 |  |  | 53,133 |
Finite Lived Intangible Assets: |  |  |
Collection routes | 781,286 |  |  | 337,399 |
Permits | 557,083 |  |  | 475,520 |
Non-compete agreements | 695 |  |  | 645 |
Trade names | 76,549 |  |  | 65,675 |
Royalty, product development, patents, consulting, land use rights and leasehold | 20,971 |  |  | 25,899 |
| 1,436,584 |  |  | 905,138 |
Accumulated Amortization: |  |  |
Collection routes | (196,108) |  |  | (169,984) |
Permits | (368,005) |  |  | (336,020) |
Non-compete agreements | (563) |  |  | (441) |
Trade names | (53,486) |  |  | (46,028) |
Royalty, product development, patents, consulting, land use rights and leasehold | (4,939) |  |  | (7,997) |
| (623,101) |  |  | (560,470) |
Total Intangible assets, less accumulated amortization | $ | 865,122 |  |  | $ | 397,801 |
Gross intangible collection routes, permits, trade names, non-compete agreements and other intangibles changed due to acquisitions and additions of approximately $588.1 million and the remaining change is due to foreign exchange impact, impairments and retirements. Amortization expense for the three years ended December 31, 2022, January 1, 2022 and January 2, 2021, was approximately $88.7 million, $67.4 million and $74.0 million, respectively. Amortization expense for the next five fiscal years is estimated to be $103.5 million, $84.1 million, $76.4 million, $66.6 million and $63.9 million.

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- Definition INTANGIBLE ASSETS [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI https://asc.fasb.org/subtopic&trid=2144471 + Details
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