Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 03, 2020	Jan. 03, 2020
Current assets:
Cash and cash equivalents	$ 155,932	$ 176,436
Short-term investments	34,220	55,165
Accounts receivable, net of allowance for contract losses and doubtful accounts of $6,155 and $4,295 at July 3, 2020 and January 3, 2020, respectively	109,341	120,138
Prepaid expenses and other current assets	14,777	12,305
Total current assets	314,270	364,044
Property, equipment and leasehold improvements, net	60,301	61,587
Operating lease right-of-use assets	20,124	23,003
Goodwill	8,607	8,607
Deferred income taxes	37,233	36,821
Deferred compensation plan assets	71,895	68,400
Other assets	757	949
Total assets	513,187	563,411
Current liabilities:
Accounts payable and accrued liabilities	16,218	18,583
Accrued payroll and employee benefits	59,295	86,723
Deferred revenues	8,910	12,710
Operating lease liabilities	5,360	5,944
Total current liabilities	89,783	123,960
Other liabilities	2,939	2,669
Deferred compensation plan liabilities	72,564	68,373
Operating lease liabilities	15,334	18,158
Total liabilities	180,620	213,160
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 at July 3, 2020 and January 3, 2020	66	66
Additional paid-in capital	259,617	244,935
Accumulated other comprehensive income (loss)
Investment securities, available-for-sale	259	302
Foreign currency translation adjustments	(3,664)	(2,062)
Accumulated other comprehensive income (loss)	(3,405)	(1,760)
Retained earnings	401,956	384,668
Treasury stock, at cost; 14,084 and 13,951 shares held at July 3, 2020 and January 3, 2020, respectively	(325,667)	(277,658)
Total stockholders’ equity	332,567	350,251
Total liabilities and stockholders’ equity	$ 513,187	$ 563,411