Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income (loss)		$ (19,448)	$ 3,087	$ (66,582)
Other comprehensive income (loss):
Currency translation adjustments		13,915	(14,651)	20,839
Deferred gain (loss) on hedging activity, net of tax	[1]	(6,237)	(1,621)	1,402
Pension activity, net of tax	[2]	(33)	(654)	93
Total comprehensive loss		(11,803)	(13,839)	(44,248)
Comprehensive income attributable to non-controlling interests		(1,493)	(1)	(3,040)
Comprehensive loss attributable to Aegion Corporation		$ (13,296)	$ (13,840)	$ (47,288)

[1] Amounts presented net of tax of $164, $(48) and $930 for the years ended December 31, 2019, 2018 and 2017, respectively.

[2] Amounts presented net of tax of $8, $(134) and $22 for the years ended December 31, 2019, 2018 and 2017, respectively.