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Goodwill and Intangible Assets - Narratives (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Oct. 26, 2024	Jul. 27, 2024	Oct. 28, 2023	Oct. 26, 2024	Oct. 28, 2023	Apr. 27, 2024	Jan. 27, 2024
Goodwill [Line Items]
Goodwill	$ 332,374			$ 332,374			$ 311,991
Amortization of intangible assets	9,600		$ 6,000	21,300	$ 13,000
Telecommunications Construction Contractor in Various States
Goodwill [Line Items]
Payment to acquire business, net of cash acquired	150,700
Cash and equivalents	0			0
Goodwill	12,000			12,000
Northwestern United States Telecommunications Construction Contractor
Goodwill [Line Items]
Payment to acquire business, net of cash acquired	20,400
Business combination, consideration transferred	24,500
Cash and equivalents	4,100	$ 4,100		4,100
Goodwill		5,400
Midwestern United States Telecommunications Construction Contractor
Goodwill [Line Items]
Payment to acquire business, net of cash acquired		12,800
Business combination, consideration transferred		16,000
Cash and equivalents		$ 3,200				$ 3,200
Goodwill	$ 20,600			$ 20,600		$ 3,200

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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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