CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 102,239	$ 77,301
Receivables, net of allowances of $5,045 and $4,806, respectively	219,116	227,106
Recoverable income taxes	12,048	4,781
Prepaid expenses	27,461	24,314
Other current assets	27,220	40,417
Total current assets	388,084	373,919
Noncurrent assets
Property and equipment, net	60,630	60,360
Software, net	237,941	209,507
Goodwill	913,261	781,163
Intangible assets, net	256,925	261,436
Deferred income taxes, net	90,872	94,536
Other noncurrent assets, including $33,824 for assets at fair value at December 31, 2014	42,499	69,779
TOTAL ASSETS	1,990,212	1,850,700
Current liabilities
Accounts payable	55,420	50,351
Employee compensation	31,213	35,299
Current portion of long-term debt	95,293	87,352
Deferred revenue	128,559	131,808
Income taxes payable	4,734	6,276
Other current liabilities	75,225	67,505
Total current liabilities	390,444	378,591
Noncurrent liabilities
Deferred revenue	42,081	49,224
Long-term debt	843,290	804,583
Deferred income taxes, net	28,067	13,442
Other noncurrent liabilities	31,930	23,455
Total liabilities	$ 1,335,812	$ 1,269,295
Commitments and contingencies (Note 14)
Stockholders' equity
Preferred stock; $0.01 par value; 5,000,000 shares authorized; no shares issued at December 31, 2015 and 2014
Common stock; $0.005 par value; 280,000,000 shares authorized; 140,525,055 and 139,820,388 shares issued at December 31, 2015 and 2014, respectively	$ 702	$ 698
Additional paid-in capital	561,379	551,713
Retained earnings	416,851	331,415
Treasury stock, at cost, 21,491,285 and 24,182,584 shares at December 31, 2015 and 2014, respectively	(252,956)	(282,538)
Accumulated other comprehensive loss	(71,576)	(19,883)
Total stockholders' equity	654,400	581,405
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,990,212	$ 1,850,700