Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 03, 2014	Dec. 28, 2012
Current assets:
Cash and cash equivalents	$ 122,948	$ 113,268
Short-term investments	33,171	20,881
Accounts receivable, net of allowance for contract losses and doubtful accounts of $2,771 and $2,666, respectively	76,980	85,361
Prepaid expenses and other assets	10,450	8,277
Deferred income taxes	8,135	7,657
Total current assets	251,684	235,444
Property, equipment and leasehold improvements, net	28,721	27,446
Goodwill	8,607	8,607
Deferred income taxes	21,102	18,359
Deferred compensation plan assets	33,501	24,801
Other assets	551	760
Total assets	344,166	315,417
Current liabilities:
Accounts payable and accrued liabilities	8,442	10,386
Accrued payroll and employee benefits	56,934	54,720
Deferred revenues	6,771	6,665
Total current liabilities	72,147	71,771
Other liabilities	1,181	988
Deferred compensation	33,447	24,697
Deferred rent	2,332	1,532
Total liabilities	109,107	98,988
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, $.001 par value; 5,000 shares authorized; no shares outstanding	0	0
Common stock, $.001 par value; 100,000 shares authorized; 16,427 shares issued	16	16
Additional paid-in capital	141,250	123,693
Accumulated other comprehensive income (loss)
Investment securities, available for sale	10	24
Foreign currency translation adjustments	99	(274)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total	109	(250)
Retained earnings	226,040	206,057
Treasury stock, at cost: 3,363 and 3,221 shares held, respectively	(132,356)	(113,087)
Total stockholders’ equity	235,059	216,429
Total liabilities and stockholders' equity	$ 344,166	$ 315,417