GOODWILL AND INTANGIBLE ASSETS - Amortizing Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 30, 2024	Apr. 01, 2023	Dec. 30, 2023
Components of amortized intangible assets
Weighted Average Life	4 years		4 years
Amortization expense for intangible assets	$ 3,715	$ 5,190
Estimated Amortization Expense
Remainder of 2024	10,169
2028	0
Customer relationships
Components of amortized intangible assets
Gross Carrying Amount	232,253		$ 233,852
Accumulated Amortization	160,181		157,873
Patents & Proprietary Technology
Components of amortized intangible assets
Gross Carrying Amount	59,243		59,311
Accumulated Amortization	45,710		45,416
Trade names
Components of amortized intangible assets
Gross Carrying Amount	2,870		2,870
Accumulated Amortization	1,160		1,056
Other
Components of amortized intangible assets
Gross Carrying Amount	4,732		4,787
Accumulated Amortization	$ 4,520		$ 4,538

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.

+ References

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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 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 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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