Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 02, 2021	Jan. 01, 2021
Current assets:
Cash and cash equivalents	$ 239,953	$ 197,525
Short-term investments		45,001
Accounts receivable, net of allowance for contract losses and doubtful accounts of $4,645 and $3,995 at July 2, 2021 and January 1, 2021, respectively	142,743	111,565
Prepaid expenses and other current assets	15,113	12,741
Total current assets	397,809	366,832
Property, equipment and leasehold improvements, net	60,329	59,823
Operating lease right-of-use assets	17,024	19,322
Goodwill	8,607	8,607
Deferred income taxes	41,090	40,539
Deferred compensation plan assets	92,328	83,731
Other assets	1,684	1,242
Total assets	618,871	580,096
Current liabilities:
Accounts payable and accrued liabilities	26,973	16,327
Accrued payroll and employee benefits	79,050	83,194
Deferred revenues	10,984	11,800
Operating lease liabilities	5,959	5,987
Total current liabilities	122,966	117,308
Other liabilities	3,122	2,986
Deferred compensation plan liabilities	93,483	83,961
Operating lease liabilities	11,533	14,343
Total liabilities	231,104	218,598
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 shares issued at July 2, 2021 and January 1, 2021	66	66
Additional paid-in capital	276,281	265,328
Accumulated other comprehensive income (loss)
Investment securities, available-for-sale		65
Foreign currency translation adjustments	(1,786)	(1,997)
Accumulated other comprehensive income (loss)	(1,786)	(1,932)
Retained earnings	454,583	421,809
Treasury stock, at cost; 13,648 and 13,903 shares held at July 2, 2021 and January 1, 2021, respectively	(341,377)	(323,773)
Total stockholders’ equity	387,767	361,498
Total liabilities and stockholders’ equity	$ 618,871	$ 580,096