Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 87,045	$ 119,554
Accounts receivable, net	194,256	271,264
Deferred income taxes, net	14,411	17,524
Deferred incentive compensation	22,280	24,472
Prepaid expenses and other current assets	29,988	29,355
Total current assets	347,980	462,169
Deferred income taxes, net	1,500	1,230
Property and equipment, net	116,730	106,854
Goodwill	457,159	442,775
Intangible assets, net	279,607	309,692
Other non-current assets	70,511	60,955
Total assets	1,273,487	1,383,675
Current liabilities:
Accounts payable and accrued liabilities	62,411	85,294
Accrued incentive compensation	47,891	61,498
Deferred revenue	384,540	416,367
Deferred income taxes, net	457	969
Debt - current portion	12,769	10,274
Total current liabilities	508,068	574,402
Deferred income taxes	45,120	48,553
Other liabilities	118,393	115,424
Debt - long term	495,353	505,554
Total liabilities	1,166,934	1,243,933
Stockholders' equity:
Common stock, par value $0.01; 100,000,000 shares authorized, 45,003,223 and 44,676,447 shares issued, and 33,604,475 and 33,624,002 shares outstanding at September 30, 2014 and December 31, 2013, respectively	450	447
Additional paid-in capital	457,678	444,128
Retained earnings	343,849	347,689
Accumulated elements of other comprehensive income	23,907	43,287
Treasury stock, at cost, 11,398,748 and 11,052,445 shares at September 30, 2014 and December 31, 2013, respectively	(719,331)	(695,809)
Total stockholders' equity	106,553	139,742
Total liabilities and stockholders' equity	$ 1,273,487	$ 1,383,675