Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 03, 2020	Jan. 03, 2020
Current assets:
Cash and cash equivalents	$ 105,594	$ 176,436
Short-term investments	46,449	55,165
Accounts receivable, net of allowance for contract losses and doubtful accounts of $6,192 and $4,295 at April 3, 2020 and January 3, 2020, respectively	127,212	120,138
Prepaid expenses and other current assets	14,141	12,305
Total current assets	293,396	364,044
Property, equipment and leasehold improvements, net	60,840	61,587
Operating lease right-of-use assets	21,500	23,003
Goodwill	8,607	8,607
Deferred income taxes	35,151	36,821
Deferred compensation plan assets	63,353	68,400
Other assets	816	949
Total assets	483,663	563,411
Current liabilities:
Accounts payable and accrued liabilities	14,038	18,583
Accrued payroll and employee benefits	45,729	86,723
Deferred revenues	11,684	12,710
Operating lease liabilities	5,648	5,944
Total current liabilities	77,099	123,960
Other liabilities	2,797	2,669
Deferred compensation plan liabilities	64,026	68,373
Operating lease liabilities	16,244	18,158
Total liabilities	160,166	213,160
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 shares issued at April 3, 2020 and January 3, 2020	66	66
Additional paid-in capital	257,389	244,935
Accumulated other comprehensive income (loss)
Investment securities, available-for-sale	470	302
Foreign currency translation adjustments	(3,735)	(2,062)
Accumulated other comprehensive income (loss)	(3,265)	(1,760)
Retained earnings	395,646	384,668
Treasury stock, at cost; 14,161 and 13,951 shares held at April 3, 2020 and January 3, 2020, respectively	(326,339)	(277,658)
Total stockholders’ equity	323,497	350,251
Total liabilities and stockholders’ equity	$ 483,663	$ 563,411