Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 27, 2024	Dec. 29, 2023
Current assets:
Cash and cash equivalents	$ 219,708	$ 187,150
Accounts receivable, net of allowance for contract losses and doubtful accounts of $6,481 and $5,281 at September 27, 2024 and December 29, 2023, respectively	168,618	167,360
Prepaid expenses and other current assets	24,255	25,022
Total current assets	412,581	379,532
Property, equipment and leasehold improvements, net of accumulated depreciation and amortization of $110,828 and $104,011 at September 27, 2024 and December 29, 2023, respectively	72,862	75,318
Operating lease right-of-use assets	75,797	24,600
Goodwill	8,607	8,607
Deferred income taxes	54,345	53,824
Deferred compensation plan assets	113,225	101,169
Other assets	6,648	3,727
Total assets	744,065	646,777
Current liabilities:
Accounts payable and accrued liabilities	22,646	22,125
Accrued payroll and employee benefits	96,738	111,773
Deferred revenues	13,414	21,709
Operating lease liabilities	4,940	6,302
Total current liabilities	137,738	161,909
Other liabilities	4,604	3,426
Deferred compensation plan liabilities	115,527	103,398
Operating lease liabilities	75,922	21,959
Total liabilities	333,791	290,692
Stockholders’ equity:
Common stock, $0.001 par value; 120,000 shares authorized; 65,707 shares issued at September 27, 2024 and December 29, 2023	66	66
Additional paid-in capital	342,301	321,448
Accumulated other comprehensive loss
Foreign currency translation adjustments	(1,606)	(2,977)
Retained earnings	614,991	574,082
Treasury stock, at cost; 14,942 and 15,134 shares held at September 27, 2024 and December 29, 2023, respectively	(545,478)	(536,534)
Total stockholders’ equity	410,274	356,085
Total liabilities and stockholders’ equity	$ 744,065	$ 646,777