Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands	Jul. 18, 2015	Jan. 03, 2015
Finite-Lived Intangible Assets [Line Items]
Cost	$ 255,045	$ 250,045
Accumulated Amortization	66,361	60,076
Net Value	188,684	189,969
Trademarks
Finite-Lived Intangible Assets [Line Items]
Cost	76,727	71,727
Accumulated Amortization	15,570	14,152
Net Value	61,157	57,575
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Cost	169,921	169,921
Accumulated Amortization	45,495	41,099
Net Value	124,426	128,822
Noncompete Agreements
Finite-Lived Intangible Assets [Line Items]
Cost	4,274	4,274
Accumulated Amortization	3,674	3,351
Net Value	600	923
Distribution Rights
Finite-Lived Intangible Assets [Line Items]
Cost	4,123	4,123
Accumulated Amortization	1,622	1,474
Net Value	$ 2,501	$ 2,649