Gift Card Liability and Loyalty Program Included in Accrued Expenses on Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Oct. 02, 2018	Jan. 02, 2018
Contract With Customer Asset And Liability [Line Items]
Gift card liability	$ 9,978	$ 14,955
Post-adoption of ASU 2016-10
Contract With Customer Asset And Liability [Line Items]
Deferred loyalty revenue	$ 10,510
Pre-adoption of ASU 2016-10
Contract With Customer Asset And Liability [Line Items]
Estimated future loyalty costs		$ 3,080

Carrying value as of the balance sheet date of the liability for outstanding gift cards. Retail customers purchase gift cards or gift certificates that can be redeemed at a later date for merchandise or services; those unredeemed represent a liability of the entity because the revenue is being deferred.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_AccruedLiabilitiesForUnredeeemedGiftCards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant