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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 209,733	$ 208,672
Accumulated Amortization	171,796	151,062
Intangible Assets, Net	37,937	57,610
Developed technologies
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	156,659	154,951
Accumulated Amortization	131,289	116,138
Intangible Assets, Net	25,370	38,813
Trade names
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	7,870	7,816
Accumulated Amortization	7,231	6,976
Intangible Assets, Net	639	840
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	43,460	44,229
Accumulated Amortization	31,532	27,057
Intangible Assets, Net	11,928	17,172
Backlog
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	1,744	1,676
Accumulated Amortization	1,744	891
Intangible Assets, Net	$ 0	$ 785

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
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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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-Publisher FASB
-Name Accounting Standards Codification
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