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Goodwill, Excess of Fair Value Above Carrying Value

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Percentage Change in Fair Value Input

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Potential Change In Fair Value, Percentage

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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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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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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Percentage of fair value of reporting unit in excess of carrying amount.

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Goodwill and Intangible Assets - Narratives (Details) $ in Thousands	12 Months Ended
	Jan. 28, 2023 USD ($)	Jan. 29, 2022 USD ($)	Jan. 30, 2021 USD ($)	Jan. 25, 2020	Apr. 25, 2020 USD ($)
Goodwill [Line Items]
Fair value, valuation assumption, expected cash flow, period	7 years
Percentage change in fair value input	1.00%
Potential change in fair value, percentage	25.00%
Goodwill, excess of fair value above carrying value	$ 5,700
Percentage of fair value in excess of carrying amount	7.00%
% of Total	100.00%	100.00%	100.00%
Goodwill impairment charge	$ 0	$ 0	$ 53,264
Goodwill	272,545	272,485
Amortization of intangible assets	15,300	$ 17,500	$ 20,600
Revenue Benchmark \| Product Concentration Risk \| Broadband Reporting Unit
Goodwill [Line Items]
% of Total				4.00%
Broadband
Goodwill [Line Items]
Goodwill impairment charge	$ 53,300
Goodwill					$ 10,100
Terminal Growth Rate
Goodwill [Line Items]
Indefinite-lived Intangible Asset, Measurement Input			3
Terminal Growth Rate \| Broadband
Goodwill [Line Items]
Indefinite-lived Intangible Asset, Measurement Input		0.015	0.030
Discount Rate
Goodwill [Line Items]
Indefinite-lived Intangible Asset, Measurement Input	0.115	0.105	0.100
Discount Rate \| Broadband
Goodwill [Line Items]
Indefinite-lived Intangible Asset, Measurement Input		0.12	0.10