Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Mar. 29, 2024	Jun. 28, 2024	Dec. 29, 2023
Finite Life
Accumulated amortization		$ (145,616)	$ (137,356)
Indefinite Life
Total Cost		269,524	269,524
Total Foreign Currency Translation	$ (5,910)	(9,929)
Total Book Value		113,979	126,258
Trade Names
Indefinite Life
Cost		62,633	62,633
Indefinite-lived Intangible Assets, Foreign Currency Translation Gain (Loss)	2,025	(689)
Book value		61,944	64,658
Customer Relationships
Finite Life
Cost		191,417	191,417
Accumulated amortization		(135,516)	(128,248)
Foreign currency translation	$ (7,591)	(8,865)
Book value		$ 47,036	55,578
Weighted average life in years	13 years	13 years
Patents and Proprietary Technology
Finite Life
Cost		$ 14,174	14,174
Accumulated amortization		(9,423)	(8,547)
Foreign currency translation	$ (344)	(375)
Book value		$ 4,376	5,283
Weighted average life in years	9 years	9 years
Trademarks, Trade Names and Other
Finite Life
Cost		$ 1,300	1,300
Accumulated amortization		(677)	(561)
Foreign currency translation	$ 0	0
Book value		$ 623	$ 739
Weighted average life in years	6 years	6 years

Increase (Decrease) Intangible Assets, Translation Adjustments

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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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 foreign currency translation gain (loss) which increases (decreases) assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trade name to gain or protect exclusive use thereof for a projected indefinite period of benefit.

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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