The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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- Definition

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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No definition available.

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Schedule of Restructuring Impairments Charges by Segment (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 30, 2017	Jan. 02, 2016
Indefinite Lived Intangible Assets By Major Class [Line Items]
Indefinite-lived intangible assets		$ 18,500,000
Finite-lived intangible assets		47,747,000
Restructuring impairment charges	$ 2,300,000	66,247,000	$ 0
DSD Segment
Indefinite Lived Intangible Assets By Major Class [Line Items]
Indefinite-lived intangible assets		18,500,000
Finite-lived intangible assets		36,612,000
Restructuring impairment charges		55,112,000
Warehouse Segment
Indefinite Lived Intangible Assets By Major Class [Line Items]
Finite-lived intangible assets		11,135,000
Restructuring impairment charges		$ 11,135,000