Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 40,614	$ 22,414
Accounts receivable, net of allowances of $862 and $965 in 2012 and 2011, respectively	70,459	67,801
Prepaid and other current assets	1,450	1,876
Deferred income taxes	1,145	1,221
Total current assets	113,668	93,312
Property, equipment and capitalized software, net	6,916	7,969
Goodwill	35,678	35,678
Deferred income taxes	6,435	7,062
Other assets	2,871	2,921
Investments	637	550
Total assets	166,205	147,492
Current Liabilities:
Accounts payable	10,170	9,532
Accrued compensation	32,162	30,971
Advance billings on contracts	2,481	1,756
Other current liabilities	4,747	3,972
Income taxes payable	641	1,695
Total current liabilities	50,201	47,926
Deferred compensation benefits	12,847	10,231
Other long-term liabilities	376	530
Total liabilities	63,424	58,687
Shareholders' Equity:
Common stock, par value $0.01 per share, 150,000,000 shares authorized; 27,017,824 shares issued	270	270
Capital in excess of par value	119,183	115,895
Retained earnings	99,644	83,479
Less: Treasury stock of 8,276,014 and 8,540,864 shares at cost, in 2012 and 2011, respectively	(50,302)	(47,320)
Stock Trusts of 3,363,351 shares at cost in both periods	(55,083)	(55,083)
Other	(251)	(206)
Accumulated other comprehensive loss	(10,680)	(8,230)
Total shareholders’ equity	102,781	88,805
Total liabilities and shareholders’ equity	$ 166,205	$ 147,492