Taxes on Income - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Deferred tax assets:
Employee benefits	$ 30,626	$ 29,218
Accrued workers' compensation	2,624	2,712
Allowance for doubtful accounts	2,945	3,341
Intangible assets	2,060	326
Restructuring	6,087	732
Deferred revenue	2,990	2,047
Accrued rent	3,555	3,884
Accrued insurance	1,279	866
All other	4,417	6,804
Total deferred tax assets	56,583	49,930
Deferred tax liabilities:
Property and equipment	52,401	43,201
Inventory	46,332	48,120
Goodwill	79,904	62,005
Leases (a)		12,279
All other	1,189	925
Total deferred tax liabilities	179,826	166,530
Net deferred tax liability	$ 123,243	$ 116,600