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GOODWILL AND INTANGIBLE ASSETS - Amortized Intangible Assets - (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 24, 2022 | Sep. 25, 2021 | Sep. 24, 2022 | Sep. 25, 2021 | Dec. 25, 2021
Components of amortized intangible assets |  |  |  |  |
Gross Carrying Amount | $ 305,516 |  | $ 305,516 |  | $ 290,680
Accumulated Amortization | 185,102 |  | 185,102 |  | 178,723
Amortization expense for intangible assets | 5,386 | $ 6,137 | 16,766 | $ 15,551 |
Estimated amortization expense |  |  |  |  |
2022 | 22,021 |  | 22,021 |  |
2023 | 20,631 |  | 20,631 |  |
2024 | 18,703 |  | 18,703 |  |
2025 | 17,269 |  | 17,269 |  |
2026 | 12,743 |  | 12,743 |  |
Customer Relationships |  |  |  |  |
Components of amortized intangible assets |  |  |  |  |
Gross Carrying Amount | 241,049 |  | 241,049 |  | 224,597
Accumulated Amortization | 160,896 |  | $ 160,896 |  | $ 160,626
Weighted Average Life |  |  | 13 years |  | 13 years
Patents & Proprietary Technology |  |  |  |  |
Components of amortized intangible assets |  |  |  |  |
Gross Carrying Amount | 57,202 |  | $ 57,202 |  | $ 58,699
Accumulated Amortization | 19,572 |  | $ 19,572 |  | $ 13,955
Weighted Average Life |  |  | 8 years |  | 9 years
Trade Names |  |  |  |  |
Components of amortized intangible assets |  |  |  |  |
Gross Carrying Amount | 2,850 |  | $ 2,850 |  | $ 2,850
Accumulated Amortization | 543 |  | $ 543 |  | $ 183
Weighted Average Life |  |  | 7 years |  | 7 years
Other |  |  |  |  |
Components of amortized intangible assets |  |  |  |  |
Gross Carrying Amount | 4,415 |  | $ 4,415 |  | $ 4,534
Accumulated Amortization | $ 4,091 |  | $ 4,091 |  | $ 3,959
Weighted Average Life |  |  | 6 years |  | 6 years

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition 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) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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