Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 520,369	$ 82,407
Accounts receivable, net of allowance of $5,402 and $5,452, respectively	313,639	331,096
Prepaids and other current assets	91,149	96,287
Income and other tax receivables	32,951	40,035
Total current assets	958,108	549,825
Long-term assets
Property, plant and equipment, net	173,717	176,633
Operating lease assets	145,069	150,808
Goodwill	305,531	301,694
Deferred tax assets, net	10,835	13,263
Other intangible assets, net	112,315	115,596
Other long-term assets	59,193	68,969
Total long-term assets	806,660	826,963
Total assets	1,764,768	1,376,788
Current liabilities
Accounts payable	63,892	64,440
Accrued employee compensation and benefits	105,329	114,165
Other accrued expenses	100,559	79,171
Income taxes payable	17,404	11,307
Deferred revenue	34,980	39,447
Current operating lease liabilities	45,314	45,218
Other current liabilities	12,920	9,541
Total current liabilities	380,398	363,289
Long-term liabilities
Line of credit	700,000	290,000
Deferred tax liabilities, net	10,938	10,602
Non-current Income Taxes Payable	25,208	25,208
Non-current operating lease liabilities	120,021	127,395
Other long-term liabilities	73,430	79,641
Total long-term liabilities	929,597	532,846
Total liabilities	1,309,995	896,135
Redeemable noncontrolling interest	53,367	48,923
Stockholders' equity
Preferred stock - $0.01 par value: 10,000,000 shares authorized; zero shares outstanding as of December 31, 2019 and December 31, 2018	0	0
Common stock - $0.01 par value; 150,000,000 shares authorized; 46,596,873 and 46,488,938 shares outstanding as of March 31, 2020 and December 31, 2019, respectively	466	465
Additional paid-in capital	355,734	356,409
Treasury stock at cost: 35,455,380 and 35,563,315 shares as of March 31, 2020 and December 31, 2019, respectively	(603,531)	(605,314)
Accumulated other comprehensive income (loss)	(143,208)	(106,234)
Retained earnings	778,909	773,218
Noncontrolling interest	13,036	13,186
Total stockholders' equity	401,406	431,730
Total liabilities and stockholders' equity	$ 1,764,768	$ 1,376,788