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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
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-Section 50
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-URI https://asc.fasb.org/1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
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-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-20

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Data Type:	dtr-types:percentItemType
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Period Type:	duration

BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration of Risk (Details) - item	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 25, 2024	Sep. 27, 2023	Sep. 25, 2024	Sep. 27, 2023	Dec. 27, 2023
Supplier Concentration Risk \| Accounts Payable
Concentration of Risk
Number Of Suppliers			0		1
Supplier Concentration Risk \| Supplier One \| Accounts Payable
Concentration of Risk
Percentage of concentration					15.10%
Supplier Concentration Risk \| Largest Supplier One \| Purchased
Concentration of Risk
Percentage of concentration	24.00%	26.60%	24.30%	27.00%
Geographic Concentration Risk \| Revenue
Concentration of Risk
Percentage of concentration	100.00%	100.00%	100.00%	100.00%
Greater Los Angeles area market \| Geographic Concentration Risk \| Revenue
Concentration of Risk
Percentage of concentration	72.50%	71.60%	71.90%	71.10%