Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 84,439	$ 106,549
Short-term investments	25,260
Accounts receivable, net of allowance for doubtful account of $2,339 and $2,126, respectively	73,065	72,034
Prepaid expenses and other assets	8,521	10,585
Deferred income taxes	7,293	5,426
Total current assets	198,578	194,594
Property, equipment and leasehold improvements, net	27,215	27,267
Goodwill	8,607	8,607
Deferred income taxes	14,692	12,940
Deferred compensation plan assets	18,911	15,068
Other assets	785	416
Assets, Total	268,788	258,892
Current liabilities:
Accounts payable and accrued liabilities	6,738	9,715
Accrued payroll and employee benefits	48,089	41,888
Deferred revenues	5,948	6,131
Total current liabilities	60,775	57,734
Other liabilities	700	413
Deferred compensation	18,756	15,068
Deferred rent	1,842	1,877
Total liabilities	82,073	75,092
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value; 5,000 shares authorized; no shares outstanding
Common stock, $.001 par value; 100,000 shares authorized; 16,427 shares issued	16	16
Additional paid-in capital	108,071	96,089
Accumulated other comprehensive loss
Investment securities, available for sale	52
Foreign currency translation adjustments	(523)	(451)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total	(471)	(451)
Retained earnings	179,432	156,086
Treasury stock, at cost: 3,127 and 2,431 shares held, respectively	(100,333)	(67,940)
Total stockholders' equity	186,715	183,800
Liabilities and Equity, Total	$ 268,788	$ 258,892