Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 71,260	$ 74,437
Accounts receivable, net	315,756	385,751
Prepaids and other current assets	70,956	63,668
Income tax receivable	13,380	11,099
Assets held for sale	9,163	7,835
Total current assets	480,515	542,790
Long-term assets
Property, plant and equipment, net	156,210	163,297
Goodwill	203,518	206,694
Deferred tax assets, net	17,477	12,012
Other intangible assets, net	87,321	92,086
Other long-term assets	43,489	61,857
Total long-term assets	508,015	535,946
Total assets	988,530	1,078,736
Current liabilities
Accounts payable	45,121	46,029
Accrued employee compensation and benefits	75,773	83,997
Other accrued expenses	17,828	18,993
Income taxes payable	10,444	7,497
Deferred revenue	25,132	21,628
Other current liabilities	24,162	22,312
Liabilities held for sale	3,788	1,322
Total current liabilities	202,248	201,778
Long-term liabilities
Line of credit	289,000	344,000
Deferred tax liabilities, net	11,466	11,285
Non-current Income Taxes Payable	37,820	47,871
Deferred rent	15,124	15,714
Other long-term liabilities	101,208	95,243
Total long-term liabilities	454,618	514,113
Total liabilities	656,866	715,891
Stockholders' equity
Common stock - $0.01 par value; 150,000,000 shares authorized; 46,033,516 and 45,861,959 shares outstanding as of June 30, 2018 and December 31, 2017, respectively	460	459
Additional paid-in capital	352,784	351,725
Treasury stock at cost: 36,018,737 and 36,190,294 shares as of June 30, 2018 and December 31, 2017, respectively	(612,841)	(615,677)
Accumulated other comprehensive income (loss)	(129,325)	(102,304)
Retained earnings	712,775	721,664
Noncontrolling interest	7,811	6,978
Total stockholders' equity	331,664	362,845
Total liabilities and stockholders' equity	$ 988,530	$ 1,078,736

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).

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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.