Consolidated Statements of Earnings and Other Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues and reimbursable expenses:
Revenue from Contract with Customer, Including Assessed Tax	$ 205,304	$ 219,289	$ 645,780	$ 644,488
Reimbursable Revenues	2,860	23,636	25,133	65,787
Total revenues and reimbursable expenses	208,164	242,925	670,913	710,275
Direct costs and reimbursable expenses (exclusive of depreciation and amortization shown in operating expenses):
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization	145,459	143,034	451,221	422,442
Cost, Depreciation and Amortization	1,370	1,162	4,005	3,450
Reimbursable Expense	2,840	23,571	25,095	65,897
Total direct costs and reimbursable expenses	149,669	167,767	480,321	491,789
Operating expenses and other losses (gains), net
Selling, general and administrative expenses	38,561	48,123	126,864	151,409
Restructuring charges	59	127	1,777	2,156
Gain (Loss) Related To Litigation Settlement And Other Operating Gains	0	630	150	1,571
Depreciation and amortization	6,176	6,962	18,483	21,285
Goodwill, Impairment Loss	0	0	59,816	0
Total operating expenses and other losses (gains), net	44,796	54,582	206,790	173,279
Operating income (loss)	13,699	20,576	(16,198)	45,207
Other income (expense), net:
Interest expense, net of interest income	(2,259)	(4,374)	(7,516)	(13,156)
Other income (expense), net	2,035	(82)	687	2,830
Total other income (expense), net	(224)	(4,456)	(6,829)	(10,326)
Income (loss) from continuing operations before taxes	13,475	16,120	(23,027)	34,881
Income tax expense (benefit)	2,388	2,414	(5,413)	7,256
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent	11,087	13,706	(17,614)	27,625
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	(29)	(52)	(89)	(195)
Net income (loss)	$ 11,058	$ 13,654	$ (17,703)	$ 27,430
Net income (loss) from continuing operations
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.50	$ 0.62	$ (0.81)	$ 1.26
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0	0	0	(0.01)
Basic (USD per share)	0.50	0.62	(0.81)	1.25
Net earnings per diluted share:
Income (Loss) from Continuing Operations, Per Diluted Share	0.50	0.61	(0.81)	1.23
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	0	0	0	(0.01)
Earnings Per Share, Diluted	$ 0.50	$ 0.61	$ (0.81)	$ 1.22
Weighted average shares used in calculating earnings (loss) per share:
Weighted average common shares outstanding – basic	21,905	22,052	21,868	21,973
Weighted average common shares outstanding – diluted	22,175	22,561	21,868	22,425
Net income (loss)
Net income (loss)	$ 11,058	$ 13,654	$ (17,703)	$ 27,430
Foreign currency translation adjustments, net of tax	381	(630)	(294)	(673)
Unrealized gain (loss) on investment, net of tax	4,885	1,168	(1,051)	7,740
Unrealized loss on cash flow hedging instruments, net of tax	(243)	(149)	(3,633)	(998)
Other comprehensive income (loss)	5,023	389	(4,978)	6,069
Comprehensive income (loss)	$ 16,081	$ 14,043	$ (22,681)	$ 33,499