Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2014	Dec. 28, 2012
Deferred tax assets:
Accrued liabilities and allowances	$ 15,539	$ 14,503
Deferred compensation	22,373	17,252
Total deferred tax assets	37,912	31,755
Deferred tax liabilities:
State taxes	(1,519)	(1,099)
Deductible goodwill	(2,925)	(2,829)
Property, equipment and leasehold improvements	(622)	(500)
Unrealized gain of deferred compensation plan assets	(3,215)	(1,095)
Other	(394)	(216)
Total deferred tax liabilities	(8,675)	(5,739)
Net deferred tax assets	$ 29,237	$ 26,016