Identifiable Asset Information (Detail) - USD ($) $ in Thousands	Dec. 29, 2019	Dec. 30, 2018
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	$ 1,382,092	$ 907,385
U.S. Stores [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	251,844	211,554
U.S. Supply Chain [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	408,919	283,351
Total U.S. Assets [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	660,763	494,905
International Franchise [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	23,396	21,094
International Supply Chain [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	35,745	24,049
Total International Assets [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	59,141	45,143
Segment Reconciling [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Asset	$ 662,188	$ 367,337