Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Revenue:
Total revenue	$ 1,118,262	$ 729,150	$ 1,923,277	$ 1,164,538
Cost of revenue (excluding items shown separately below):
Total cost of revenue	750,009	492,403	1,374,020	846,440
General and administrative expenses	83,875	53,838	152,401	99,836
Depreciation, depletion, amortization and accretion	104,397	54,787	200,368	105,681
Transaction and integration costs	10,265	1,712	72,473	2,076
Gain on sale of property, plant and equipment	(3,180)	(3,223)	(4,028)	(3,653)
Operating income	172,896	129,633	128,043	114,158
Interest expense	52,849	27,902	104,741	55,322
Loss on debt financings	0	0	5,453	493
Gain on sale of businesses	(3,758)	0	(18,743)	0
Other income, net	(8,086)	(5,478)	(16,964)	(11,188)
Income from operations before taxes	131,891	107,209	53,556	69,531
Income tax expense	25,816	22,481	14,751	16,015
Net income	106,075	84,728	38,805	53,516
Net income (loss) attributable to noncontrolling interest in Summit Holdings	0	1,091	(404)	683
Net income attributable to Summit Inc.	$ 106,075	$ 83,637	$ 39,209	$ 52,833
Common Class A
Earnings per share of Class A common stock:
Basic (in usd per share)	$ 0.60	$ 0.70	$ 0.23	$ 0.44
Diluted (in usd per share)	$ 0.60	$ 0.70	$ 0.23	$ 0.44
Weighted average shares of Class A common stock:
Basic (in shares)	175,510,071	118,848,214	171,478,056	118,706,385
Diluted (in shares)	176,132,001	119,393,709	172,308,044	119,431,604
Common Class A And Restricted Stock
Earnings per share of Class A common stock:
Basic (in usd per share)	$ 0.60	$ 0.70	$ 0.23	$ 0.44
Weighted average shares of Class A common stock:
Basic (in shares)	175,550,487	118,931,914	171,531,031	118,805,785
Diluted (in shares)	176,132,001	119,393,709	172,308,044	119,431,604
Excluding delivery and subcontract revenue
Revenue:
Total revenue	$ 1,075,471	$ 680,373	$ 1,848,700	$ 1,087,643
Cost of revenue (excluding items shown separately below):
Total cost of revenue	707,218	443,626	1,299,443	769,545
Product
Revenue:
Total revenue	993,741	595,714	1,722,435	967,886
Cost of revenue (excluding items shown separately below):
Total cost of revenue	650,088	377,634	1,206,108	673,515
Service
Revenue:
Total revenue	81,730	84,659	126,265	119,757
Cost of revenue (excluding items shown separately below):
Total cost of revenue	57,130	65,992	93,335	96,030
Delivery and subcontract revenue
Revenue:
Total revenue	42,791	48,777	74,577	76,895
Cost of revenue (excluding items shown separately below):
Total cost of revenue	$ 42,791	$ 48,777	$ 74,577	$ 76,895