Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands	Apr. 21, 2018	Dec. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Cost	$ 662,010	$ 662,010
Accumulated Amortization	134,135	126,168
Net Value	527,875	535,842
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	371,392	371,392
Accumulated Amortization	37,792	34,716
Net Value	333,600	336,676
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Cost	281,621	281,621
Accumulated Amortization	89,087	84,280
Net Value	192,534	197,341
Non-Compete Agreements
Finite-Lived Intangible Assets [Line Items]
Cost	4,874	4,874
Accumulated Amortization	4,874	4,874
Distribution Rights
Finite-Lived Intangible Assets [Line Items]
Cost	4,123	4,123
Accumulated Amortization	2,382	2,298
Net Value	$ 1,741	$ 1,825