Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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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.

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No definition available.

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GOODWILL AND INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 15, 2019	Dec. 27, 2020	Dec. 29, 2019	Dec. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Amortization expense		$ 22,715	$ 22,891	$ 25,700
Expected amortization expense, 2021		23,300
Expected amortization expense, 2022		23,300
Expected amortization expense, 2023		22,300
Expected amortization expense, 2024		21,200
Expected amortization expense, 2025		21,200
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Amortization expense		$ 20,747	$ 20,920
Tulip Ltd. and Subsidiaries
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets	$ 40,418
Tulip Ltd. and Subsidiaries \| Customer relationships
Finite-Lived Intangible Assets [Line Items]
Identified intangible assets	$ 40,400
Identified intangible assets, useful life	11 years