Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Net income	$ 14,065		$ 20,735		$ 30,821		$ 39,823
Other comprehensive income:
Currency translation adjustments	(1,093)		4,708		(11,447)		4,432
Pension activity, net of tax	8		(8)		16		(10)
Deferred loss on hedging activity, net of tax	(484)	[1]	(86)	[1]	(333)	[1]	(220)	[1]
Total comprehensive income	12,496		25,349		19,057		44,025
Less: comprehensive income attributable to noncontrolling interests	(290)		(1,533)		(840)		(2,393)
Comprehensive income attributable to Aegion Corporation	$ 12,206		$ 23,816		$ 18,217		$ 41,632

[1] Amounts presented net of tax of $345 and $56 for the quarters ended September 30, 2013 and 2012, respectively, and $219 and $143 for the nine months ended September 30, 2013 and 2012, respectively.