CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 58,936	$ 95,059
Receivables, net of allowances of $4,149 and $4,459, respectively	203,600	203,575
Deferred income taxes, net	71,051	47,593
Recoverable income taxes	2,927	2,258
Prepaid expenses	24,458	22,549
Other current assets	50,956	65,328
Total current assets	411,928	436,362
Property and equipment, net	55,988	57,347
Software, net	193,130	191,468
Goodwill	665,406	669,217
Intangible assets, net	232,053	237,693
Deferred income taxes, net	39,541	48,852
Other noncurrent assets	41,956	40,912
TOTAL ASSETS	1,640,002	1,681,851
Current liabilities
Accounts payable	41,882	43,658
Employee compensation	32,294	35,623
Current portion of long-term debt	53,227	47,313
Deferred revenue	149,972	122,045
Income taxes payable	4,121	1,192
Deferred income taxes, net	940	753
Other current liabilities	70,818	95,016
Total current liabilities	353,254	345,600
Noncurrent liabilities
Deferred revenue	45,259	45,656
Long-term debt	725,285	708,070
Deferred income taxes, net	10,208	11,000
Other noncurrent liabilities	27,396	27,831
Total liabilities	1,161,402	1,138,157
Commitments and contingencies (Note 12)
Stockholders' equity
Preferred stock; $0.01 par value; 5,000,000 shares authorized; no shares issued and outstanding at March 31, 2014 and December 31, 2013
Common stock; $0.005 par value; 140,000,000 shares authorized; 46,606,796 shares issued at March 31, 2014 and December 31, 2013	232	232
Additional paid-in capital	544,720	543,163
Retained earnings	258,080	263,855
Treasury stock, at cost, 8,680,947 and 7,751,807 shares at March 31, 2014 and December 31, 2013, respectively	(304,018)	(240,241)
Accumulated other comprehensive loss	(20,414)	(23,315)
Total stockholders' equity	478,600	543,694
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,640,002	$ 1,681,851