Related Parties - Concentration Risk (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 28, 2026	Jun. 29, 2025	Jun. 28, 2026	Jun. 29, 2025
Related Party Transaction [Line Items]
Total revenue	$ 961,986	$ 724,052	$ 1,685,160	$ 1,274,133
Gross profit	69,142	67,801	104,900	88,129
Related Party
Related Party Transaction [Line Items]
Total revenue	29,965	26,100	53,203	47,209
Gross profit	$ 912	$ 2,888	$ 1,985	$ 3,621
Related Party \| Southwest Gas Corporation \| Revenue from Contract with Customer Benchmark \| Customer Concentration Risk
Related Party Transaction [Line Items]
Concentration risk percentage	3.00%	4.00%	3.00%	4.00%
Related Party \| Southwest Gas Corporation \| Gross Profit Benchmark \| Customer Concentration Risk
Related Party Transaction [Line Items]
Concentration risk percentage	1.00%	4.00%	2.00%	4.00%

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.

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

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, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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