Summary of Provision for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Reconciliation of Provision of Income Taxes [Line Items]
Federal	$ 33,778	$ 31,309	$ 31,359
State and local	7,169	7,052	6,100
Foreign	4,028	3,008	1,111
Total	44,975	41,369	38,570
Current	39,554	39,949	27,447
Deferred	5,421	1,420	11,123
Total	$ 44,975	$ 41,369	$ 38,570