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Restructuring Charges and Asset Impairment - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 06, 2018	Oct. 07, 2017	Oct. 06, 2018	Oct. 07, 2017	Dec. 30, 2017
Restructuring Cost And Reserve [Line Items]
Impairment charges	$ 570	$ 33,158	$ 2,040	$ 33,678
Goodwill impairment		189,027		$ 189,027
Retail [Member]
Restructuring Cost And Reserve [Line Items]
Goodwill impairment		$ 189,000
Fair Value Measurements Nonrecurring [Member] | Significant unobservable inputs (Level 3) [Member]
Restructuring Cost And Reserve [Line Items]
Long-lived assets	2,400		2,400		$ 48,600
Long-lived assets measured fair value on nonrecurring basis	$ 400		400		14,900
Impairment charges			$ 2,000		$ 33,700

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

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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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