Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 55,264	$ 60,304
Accounts receivable, net	300,808	283,474
Prepaids and other current assets	59,905	64,180
Income tax receivable	7,035	7,114
Total assets held for sale	10,715
Total current assets	433,727	415,072
Long-term assets
Property, plant and equipment, net	151,037	168,289
Goodwill	129,648	114,183
Deferred tax assets, net	53,585	52,082
Other intangible assets, net	30,787	51,215
Other long-term assets	47,520	42,486
Total long-term assets	412,577	428,255
Total assets	846,304	843,327
Current liabilities
Accounts payable	38,197	43,323
Accrued employee compensation and benefits	66,133	71,634
Other accrued expenses	14,830	33,160
Income taxes payable	7,040	9,125
Deferred revenue	23,318	26,184
Other current liabilities	29,154	23,480
Total liabilities held for sale	1,357
Total current liabilities	180,029	206,906
Long-term liabilities
Line of credit	217,300	100,000
Deferred tax liabilities, net	160	3,333
Deferred rent	15,256	11,791
Other long-term liabilities	71,664	76,349
Total long-term liabilities	304,380	191,473
Total liabilities	484,409	398,379
Mandatorily redeemable noncontrolling interest		4,131
Stockholders' equity
Common stock - $0.01 par value; 150,000,000 shares authorized; 46,113,693 and 48,481,323 shares outstanding as of December 31, 2016 and December 31, 2015, respectively	462	485
Additional paid-in capital	348,739	347,251
Treasury stock at cost: 35,938,560 and 33,570,930 shares as of December 31, 2016 and December 31, 2015, respectively	(603,262)	(533,744)
Accumulated other comprehensive income (loss)	(126,964)	(101,365)
Retained earnings	735,939	720,989
Noncontrolling interest	6,981	7,201
Total stockholders' equity	361,895	440,817
Total liabilities and stockholders' equity	$ 846,304	$ 843,327