CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net earnings (loss)	$ 9,851	$ (9,114)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Stock-based compensation expense	19,282	24,906
Amortization of intangibles	14,539	16,306
Bad debt expense	14,310	9,434
Depreciation	6,999	6,184
Deferred income taxes	(14,377)	(4,178)
Other adjustments, net	1,352	(63)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Accounts receivable	(39,729)	(17,650)
Other assets	1,159	(13,748)
Accounts payable and other liabilities	11,856	(5,329)
Income taxes payable and receivable	146	162
Deferred revenue	1,314	4,191
Net cash provided by operating activities	26,702	11,101
Cash flows from investing activities:
Acquisition, net of cash acquired	(20,341)
Capital expenditures	(15,177)	(8,886)
Proceeds from maturities of marketable debt securities	25,000
Net proceeds from the sale of a business	23,655	0
Proceeds from sale of fixed assets		10,410
Other, net	(103)
Net cash provided by investing activities	13,034	1,524
Cash flows from financing activities:
Principal payments on term loan	(3,438)	(3,438)
Principal payments on related party debt	(1,008)	(618)
Proceeds from the exercise of stock options	573	1,752
Withholding taxes paid on behalf of employees on net settled stock-based awards	(16,544)	(2,925)
Distribution to IAC pursuant to the tax sharing agreement	(11,355)	0
Purchase of noncontrolling interests	0	(234)
Other, net		39
Net cash used in financing activities	(31,772)	(5,424)
Total cash provided	7,964	7,201
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	401	22
Net increase in cash, cash equivalents, and restricted cash	8,365	7,223
Cash, cash equivalents, and restricted cash at beginning of period	338,821	221,521
Cash, cash equivalents, and restricted cash at end of period	$ 347,186	$ 228,744