Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Oct. 03, 2014	Jan. 03, 2014
Current assets:
Cash and cash equivalents	$ 115,614	$ 122,948
Short-term investments	26,009	33,171
Accounts receivable, net of allowance for doubtful accounts of $3,241 and $2,771 at October 3, 2014 and January 3, 2014, respectively	89,089	76,980
Prepaid expenses and other assets	12,630	10,450
Deferred income taxes	11,141	8,135
Total current assets	254,483	251,684
Property, equipment and leasehold improvements, net	28,812	28,721
Goodwill	8,607	8,607
Deferred income taxes	24,234	21,102
Deferred compensation plan assets	34,634	33,501
Other assets	1,286	551
Total assets	352,056	344,166
Current liabilities:
Accounts payable and accrued liabilities	11,011	8,442
Accrued payroll and employee benefits	54,496	56,934
Deferred revenues	5,848	6,771
Total current liabilities	71,355	72,147
Other liabilities	1,613	1,181
Deferred compensation	36,384	33,447
Deferred rent	2,162	2,332
Total liabilities	111,514	109,107
Stockholders' equity:
Common stock, $0.001 par value; 100,000 shares authorized; 16,427 shares issued at October 3, 2014 and January 3, 2014	16	16
Additional paid-in capital	158,909	141,250
Accumulated other comprehensive income
Investment securities, available for sale	19	10
Foreign currency translation adjustments	(372)	99
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total	(353)	109
Retained earnings	241,074	226,040
Treasury stock, at cost; 3,519 and 3,363 shares held at October 3, 2014 and January 3, 2014, respectively	(159,104)	(132,356)
Total stockholders' equity	240,542	235,059
Total liabilities and stockholders' equity	$ 352,056	$ 344,166