Revenue Recognized on Consolidated Statements of Income for Redemption of Gift Cards and Loyalty Rewards Deferred (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Oct. 02, 2018	Oct. 03, 2017	Oct. 02, 2018	Oct. 03, 2017
Revenues Recognized From Gift Card And Loyalty Redemptions [Line Items]
Revenue recognized from gift card liability		$ 1,167	$ 695	$ 8,853
Revenue recognized from customer loyalty program		$ 1,229		$ 6,282
Pre-adoption of ASU 2016-10
Revenues Recognized From Gift Card And Loyalty Redemptions [Line Items]
Revenue recognized from gift card liability	[1]				$ 6,812

[1] Prior to the adoption of ASU 2016-10, gift card breakage was recorded as other income and included within “Other (expense) income, net” on our Consolidated Statements of Income and therefore not recognized as revenue.