Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 29, 2017	Dec. 30, 2016
Current assets:
Cash and cash equivalents	$ 124,794	$ 114,967
Short-term investments	71,604	58,755
Accounts receivable, net of allowance for contract losses and doubtful accounts of $3,526 and $3,417, respectively	110,100	87,409
Prepaid expenses and other assets	9,011	12,913
Total current assets	315,509	274,044
Property, equipment and leasehold improvements, net	35,014	36,710
Goodwill	8,607	8,607
Deferred income taxes	30,437	42,166
Deferred compensation plan assets	48,676	41,153
Other assets	1,346	1,064
Total assets	439,589	403,744
Current liabilities:
Accounts payable and accrued liabilities	14,741	10,073
Accrued payroll and employee benefits	70,064	62,539
Deferred revenues	8,302	7,624
Total current liabilities	93,107	80,236
Other liabilities	3,326	2,005
Deferred compensation	52,776	46,503
Deferred rent	1,292	1,654
Total liabilities	150,501	130,398
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock, $.001 par value; 2,000 shares authorized; no shares outstanding	0	0
Common stock, $.001 par value; 80,000 shares authorized; 32,853 shares issued	33	33
Additional paid-in capital	210,263	194,632
Accumulated other comprehensive income (loss)
Investment securities, available for sale	(236)	(146)
Foreign currency translation adjustments	(1,793)	(2,980)
Accumulated other comprehensive income (loss)	(2,029)	(3,126)
Retained earnings	303,990	291,243
Treasury stock, at cost: 7,084 and 7,256 shares held, respectively	(223,169)	(209,436)
Total stockholders’ equity	289,088	273,346
Total liabilities and stockholders’ equity	$ 439,589	$ 403,744

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.