Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 28, 2024	Dec. 29, 2023
Current assets:
Cash and cash equivalents	$ 203,262	$ 187,150
Accounts receivable, net of allowance for contract losses and doubtful accounts of $6,161 and $5,281 at June 28, 2024 and December 29, 2023, respectively	165,870	167,360
Prepaid expenses and other current assets	22,195	25,022
Total current assets	391,327	379,532
Property, equipment and leasehold improvements, net of accumulated depreciation and amortization of $108,647 and $104,011 at June 28, 2024 and December 29, 2023, respectively	73,025	75,318
Operating lease right-of-use assets	71,556	24,600
Goodwill	8,607	8,607
Deferred income taxes	51,560	53,824
Deferred compensation plan assets	106,295	101,169
Other assets	6,807	3,727
Total assets	709,177	646,777
Current liabilities:
Accounts payable and accrued liabilities	22,418	22,125
Accrued payroll and employee benefits	90,728	111,773
Deferred revenues	13,775	21,709
Operating lease liabilities	4,903	6,302
Total current liabilities	131,824	161,909
Other liabilities	5,159	3,426
Deferred compensation plan liabilities	108,588	103,398
Operating lease liabilities	70,393	21,959
Total liabilities	315,964	290,692
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 shares issued at June 28, 2024 and December 29, 2023	66	66
Additional paid-in capital	338,734	321,448
Accumulated other comprehensive loss
Foreign currency translation adjustments	(3,173)	(2,977)
Retained earnings	603,373	574,082
Treasury stock, at cost; 14,976 and 15,134 shares held at June 28, 2024 and December 29, 2023, respectively	(545,787)	(536,534)
Total stockholders’ equity	393,213	356,085
Total liabilities and stockholders’ equity	$ 709,177	$ 646,777