Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income		$ 8,848	$ 12,412	$ 10,220	$ 16,840
Other comprehensive income (loss):
Currency translation adjustments		(2,379)	1,864	(18,475)	(780)
Pension activity, net of tax	[1]	(25)	5	(4)	5
Deferred gain (loss) on hedging activity, net of tax	[2]	(25)	78	384	188
Total comprehensive income (loss)		6,419	14,359	(7,875)	16,253
Add: comprehensive income (loss) attributable to non-controlling interests		497	(221)	1,491	(23)
Comprehensive income (loss) attributable to Aegion Corporation		$ 6,916	$ 14,138	$ (6,384)	$ 16,230

[1] Amounts presented net of tax of $(6) and $1 for the quarters ended June 30, 2015 and 2014, respectively, and $(1) and $1 for the six months ended June 30, 2015 and 2014, respectively.

[2] Amounts presented net of tax of $(14) and $51 for the quarters ended June 30, 2015 and 2014, respectively, and $256 and $124 for the six months ended June 30, 2015 and 2014, respectively.