Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 175,963	$ 146,733
Short-term investments	20,099	12,097
Total cash, cash equivalents and short-term investments	196,062	158,830
Trade accounts receivable:
Billed, net of allowance of $2,802 and $2,421	163,392	179,804
Unbilled and other	28,683	30,981
Deferred income taxes	19,675	19,982
Income taxes receivable	4,800	4,139
Other current assets	20,139	16,224
Total current assets	432,751	409,960
Property and equipment, net of depreciation of $125,029 and $116,125	37,741	41,154
Software, net of amortization of $62,602 and $56,521	28,638	29,966
Goodwill	219,933	220,013
Client contracts, net of amortization of $172,700 and $159,225	88,100	98,403
Deferred income taxes	2,320	1,008
Other assets	13,345	14,393
Total assets	822,828	814,897
LIABILITIES AND STOCKHOLDERS' EQUITY
Current maturities of long-term debt	18,000	27,000
Client deposits	30,818	30,523
Trade accounts payable	30,450	27,198
Accrued employee compensation	39,881	42,005
Income taxes payable	4,777	2,334
Deferred revenue	57,958	44,824
Other current liabilities	19,915	23,501
Total current liabilities	201,799	197,385
Non-current liabilities:
Long-term debt, net of unamortized original issue discount of $27,827 and $30,256	277,173	282,744
Deferred revenue	8,012	8,631
Income taxes payable	4,278	4,114
Deferred income taxes	23,194	28,188
Other non-current liabilities	17,689	19,121
Total non-current liabilities	330,346	342,798
Total liabilities	532,145	540,183
Stockholders' equity:
Preferred stock, par value $.01 per share; 10,000 shares authorized; zero shares issued and outstanding
Common stock, par value $.01 per share; 100,000 shares authorized; 33,790 and 33,822 shares outstanding	652	645
Additional paid-in capital	453,879	449,376
Treasury stock, at cost, 31,380 and 30,707 shares	(725,521)	(714,893)
Accumulated other comprehensive income (loss):
Unrealized gain on short-term investments, net of tax	1	1
Unrecognized loss on change in fair value of interest rate swaps, net of tax	(716)	(618)
Unrecognized pension plan losses and prior service costs, net of tax	(1,803)	(1,794)
Cumulative foreign currency translation adjustments	(3,480)	(1,998)
Accumulated earnings	567,671	543,995
Total stockholders' equity	290,683	274,714
Total liabilities and stockholders' equity	$ 822,828	$ 814,897