Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Jan. 01, 2016	Jan. 02, 2015
Deferred tax assets:
Accrued liabilities and allowances	$ 17,780	$ 17,244
Deferred compensation	27,425	26,873
Other	43	28
Total deferred tax assets	45,248	44,145
Deferred tax liabilities:
State taxes	(1,850)	(1,717)
Deductible goodwill	(3,014)	(2,978)
Property, equipment and leasehold improvements	(205)	(459)
Unrealized gain of deferred compensation plan assets	(723)	(3,377)
Other	0	0
Total deferred tax liabilities	(5,792)	(8,531)
Net deferred tax assets	$ 39,456	$ 35,614