ACQUISITIONS, DISPOSTIONS, GOODWILL AND INTANGIBLES - Intangible Assets By Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Dec. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ (39,586)		$ (39,586)		$ (18,972)
Amortization expense	11,000	$ 900	20,200	$ 1,800
Intangible Assets Excluding Intangible Assets Held for Sale
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	207,868		207,868		87,053
Accumulated Amortization	(39,586)		(39,586)		(18,972)
Net Carrying Amount	168,282		168,282		68,081
Operating permits
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	38,677		38,677		38,677
Accumulated Amortization	(6,505)		(6,505)		(5,691)
Net Carrying Amount	32,172		32,172		32,986
Mineral leases
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,375		17,375		17,778
Accumulated Amortization	(7,724)		(7,724)		(7,676)
Net Carrying Amount	9,651		9,651		10,102
Reserve rights
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	25,586		25,586		25,586
Accumulated Amortization	(5,432)		(5,432)		(5,020)
Net Carrying Amount	20,154		20,154		20,566
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,400		21,400		0
Accumulated Amortization	(5,053)		(5,053)		0
Net Carrying Amount	16,347		16,347		0
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	104,830		104,830		5,012
Accumulated Amortization	(14,872)		(14,872)		(585)
Net Carrying Amount	$ 89,958		$ 89,958		$ 4,427