Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (1,379)	$ 5,694
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Gain on change in fair value of contingent consideration, net	0	(677)
Gain on sale of business	(1,064)	0
Depreciation and amortization	6,204	6,992
Deferred income taxes	(1,639)	(258)
Non-cash compensation expense	6,131	3,939
Changes in other operating items:
Accounts and other receivables	36,092	(10,997)
Unbilled revenue	18,050	19,296
Prepaid expenses and other current assets	(5,591)	(6,628)
Accounts payable, accrued expenses and net change in operating leases	(8,897)	(12,188)
Deferred revenue	(180)	(1,840)
Other	(2,358)	1,218
Net cash provided by operating activities	45,369	4,551
Cash flows from investing activities:
Additions to property, plant and equipment	(1,284)	(1,905)
Acquisitions, net of cash acquired	0	850
Proceeds from sale of business	3,328	0
Capitalized software development costs and other	(45)	(2,261)
Net cash provided by (used in) investing activities	1,999	(3,316)
Cash flows from financing activities:
Proceeds from long-term debt	109,165	120,350
Repayment of long-term debt	(148,285)	(123,700)
Change in negative cash book balance	(3,213)	(1,329)
Repurchases of common stock in the open market	1,833	0
Other financing activities	(364)	(421)
Net cash used in financing activities	(44,530)	(5,100)
Effect of exchange rate changes on cash and cash equivalents	2,209	(1,813)
Net increase (decrease) in cash	5,047	(5,678)
Cash at beginning of period	8,159	13,417
Cash at end of period	13,206	7,739
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	1,902	4,681
Cash paid during the period for income taxes	$ 4,490	$ 2,148