DERIVATIVE FINANCIAL INSTRUMENTS - Cash flow hedges (Details) $ in Thousands	12 Months Ended
Dec. 30, 2023 USD ($) MMBTU T gal
Steel hot rolled coil ("HRC") forward contracts
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative, nonmonetary notional amount, mass \| T	8,500
Natural Gas Forward Contract
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative, nonmonetary notional amount, energy measure \| MMBTU	960,475
Diesel Fuel Forward Contract
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative, nonmonetary notional amount, volume measure \| gal	1,890,000
Cash Flow Hedging \| Designated as Hedging Instrument \| Steel hot rolled coil ("HRC") forward contracts \| Long
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative, notional amount	$ 7,844
Cash Flow Hedging \| Designated as Hedging Instrument \| Natural Gas Forward Contract \| Long
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative, notional amount	4,272
Cash Flow Hedging \| Designated as Hedging Instrument \| Diesel Fuel Forward Contract \| Long
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative, notional amount	$ 542

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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