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
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

SEGMENT INFORMATION - Revenue from major customers (Details) - Revenue - Customer Concentration	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Customer A
Percent of total revenues
Concentration risk percentage	38.00%	35.00%	35.00%
Customer B
Percent of total revenues
Concentration risk percentage	18.00%	19.00%	13.00%
Customer C
Percent of total revenues
Concentration risk percentage	15.00%	17.00%	17.00%
Customer D
Percent of total revenues
Concentration risk percentage			10.00%
Customer E
Percent of total revenues
Concentration risk percentage			10.00%