CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 176,173	$ 148,502
Receivables, net of allowances of $3,663 and $3,912, respectively	265,750	348,182
Prepaid expenses	31,464	23,277
Other current assets	40,830	46,516
Total current assets	514,217	566,477
Noncurrent assets
Accrued receivables, net	177,407	189,010
Property and equipment, net	70,909	72,729
Operating lease right-of-use assets	60,978
Software, net	130,812	137,228
Goodwill	909,691	909,691
Intangible assets, net	162,845	168,127
Deferred income taxes, net	38,408	27,048
Other noncurrent assets	48,875	52,145
TOTAL ASSETS	2,114,142	2,122,455
Current liabilities
Accounts payable	28,046	39,602
Employee compensation	29,570	38,115
Current portion of long-term debt	20,788	20,767
Deferred revenue	91,369	104,843
Other current liabilities	90,604	93,293
Total current liabilities	260,377	296,620
Noncurrent liabilities
Deferred revenue	60,853	51,292
Long-term debt	645,784	650,989
Deferred income taxes, net	24,705	31,715
Operating lease liabilities	50,636
Other noncurrent liabilities	39,203	43,608
Total liabilities	1,081,558	1,074,224
Commitments and contingencies
Stockholders' equity
Preferred stock; $0.01 par value; 5,000,000 shares authorized; no shares issued at March 31, 2019, and December 31, 2018
Common stock; $0.005 par value; 280,000,000 shares authorized; 140,525,055 shares issued at March 31, 2019, and December 31, 2018	702	702
Additional paid-in capital	636,960	632,235
Retained earnings	837,805	863,768
Treasury stock, at cost, 23,994,620 and 24,401,694 shares at March 31, 2019, and December 31, 2018, respectively	(351,587)	(355,857)
Accumulated other comprehensive loss	(91,296)	(92,617)
Total stockholders' equity	1,032,584	1,048,231
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 2,114,142	$ 2,122,455

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682