GOODWILL AND INTANGIBLE ASSETS - Estimated annual amortization expense (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Apr. 01, 2023	Mar. 26, 2022	Dec. 31, 2022
Components of amortized intangible assets
Gross Carrying Amount	$ 287,572		$ 286,432
Accumulated Amortization	175,521		169,602
Amortization expense for intangible assets	5,190	$ 5,849
Estimated Amortization Expense
Remainder of 2023	15,804
2024	19,028
2025	17,348
2026	12,834
2027	9,653
2028	8,837
Customer Relationships
Components of amortized intangible assets
Gross Carrying Amount	223,388		222,716
Accumulated Amortization	$ 149,136		$ 145,502
Weighted Average Life	13 years		13 years
Patents & Proprietary Technology
Components of amortized intangible assets
Gross Carrying Amount	$ 58,687		$ 58,404
Accumulated Amortization	$ 23,350		$ 21,291
Weighted Average Life	9 years		9 years
Trade Name
Components of amortized intangible assets
Gross Carrying Amount	$ 2,850		$ 2,850
Accumulated Amortization	$ 746		$ 645
Weighted Average Life	7 years		7 years
Other
Components of amortized intangible assets
Gross Carrying Amount	$ 2,647		$ 2,462
Accumulated Amortization	$ 2,289		$ 2,164
Weighted Average Life	5 years		5 years

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.

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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.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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