Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jul. 01, 2016	Jan. 01, 2016
Current assets:
Cash and cash equivalents	$ 113,543	$ 125,751
Short-term investments	48,518	45,842
Accounts receivable, net of allowance for contract losses and doubtful accounts of $3,619 and $2,792 at July 1, 2016 and January 1, 2016, respectively	92,309	88,577
Prepaid expenses and other assets	18,232	12,616
Total current assets	272,602	272,786
Property, equipment and leasehold improvements, net	29,041	28,485
Goodwill	8,607	8,607
Deferred income taxes	39,031	39,456
Deferred compensation plan assets	38,034	36,522
Other assets	1,040	1,651
Total assets	388,355	387,507
Current liabilities:
Accounts payable and accrued liabilities	8,686	10,580
Accrued payroll and employee benefits	47,516	62,092
Deferred revenues	5,792	7,802
Total current liabilities	61,994	80,474
Other liabilities	2,116	1,913
Deferred compensation	43,385	40,322
Deferred rent	1,810	1,994
Total liabilities	109,305	124,703
Stockholders’ equity:
Common stock, $0.001 par value; 80,000 shares authorized; 32,853 shares issued at July 1, 2016 and January 1, 2016	33	33
Additional paid-in capital	191,604	179,816
Accumulated other comprehensive income (loss)
Investment securities, available-for-sale	19	(65)
Foreign currency translation adjustments	(2,250)	(1,740)
Accumulated other comprehensive income (loss)	(2,231)	(1,805)
Retained earnings	279,196	269,259
Treasury stock, at cost; 6,868 and 7,133 shares held atJuly 1, 2016 and January 1, 2016, respectively	(189,552)	(184,499)
Total stockholders’ equity	279,050	262,804
Total liabilities and stockholders’ equity	$ 388,355	$ 387,507

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.

Name:	us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.