Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 146,733	$ 197,858
Short-term investments	12,097	17,692
Total cash, cash equivalents and short-term investments	158,830	215,550
Trade accounts receivable:
Billed, net of allowance of $2,421 and $1,837	179,804	155,005
Unbilled and other	30,981	30,803
Deferred income taxes	19,982	13,852
Income taxes receivable	4,139	9,043
Other current assets	16,224	17,241
Total current assets	409,960	441,494
Property and equipment, net of depreciation of $116,125 and $94,236	41,154	52,257
Software, net of amortization of $56,521 and $45,579	29,966	31,118
Goodwill	220,013	209,164
Client contracts, net of amortization of $159,225 and $133,218	98,403	116,328
Deferred income taxes	1,008	9,677
Other assets	14,393	19,660
Total assets	814,897	879,698
LIABILITIES AND STOCKHOLDERS' EQUITY
Current maturities of long-term debt, net of unamortized original issue discount of zero and $621	27,000	69,528
Client deposits	30,523	31,897
Trade accounts payable	27,198	25,381
Accrued employee compensation	42,005	53,372
Deferred revenue	44,824	56,184
Income taxes payable	2,334	2,028
Other current liabilities	23,501	32,019
Total current liabilities	197,385	270,409
Non-current liabilities:
Long-term debt, net of unamortized original issue discount of $30,256 and $34,841	282,744	305,159
Deferred revenue	8,631	16,103
Income taxes payable	4,114	954
Deferred income taxes	28,188	33,247
Other non-current liabilities	19,121	16,748
Total non-current liabilities	342,798	372,211
Total liabilities	540,183	642,620
Stockholders' equity:
Preferred stock, par value $.01 per share; 10,000,000 shares authorized; zero shares issued and outstanding
Common stock, par value $.01 per share; 100,000,000 shares authorized; 8,675,558 and 5,892,315 shares reserved for employee stock purchase plan and stock incentive plans; 33,822,232 and 34,120,789 shares outstanding	645	641
Additional paid-in capital	449,376	439,712
Treasury stock, at cost, 30,551,519 and 29,956,808 shares	(714,893)	(704,963)
Accumulated other comprehensive income (loss):
Unrealized gain on short-term investments, net of tax	1	4
Unrecognized pension plan losses and prior service costs, net of tax	(1,794)	(897)
Unrecognized loss on change in fair value of interest rate swap contracts, net of tax	(618)
Cumulative foreign currency translation adjustments	(1,998)	868
Accumulated earnings	543,995	501,713
Total stockholders' equity	274,714	237,078
Total liabilities and stockholders' equity	$ 814,897	$ 879,698