Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 231,652	$ 230,594
Cost of revenues	184,593	177,910
Gross profit	47,059	52,684
Operating expenses	41,778	41,210
Acquisition-related expenses		575
Operating income	5,281	10,899
Other income (expense):
Interest expense	(2,365)	(2,400)
Interest income	72	68
Other	(86)	413
Total other expense	(2,379)	(1,919)
Income before taxes on income	2,902	8,980
Taxes on income	466	2,483
Income before equity in earnings of affiliated companies	2,436	6,497
Equity in earnings of affiliated companies	902	652
Net income	3,338	7,149
Non-controlling interests	(626)	(425)
Net income attributable to Aegion Corporation	$ 2,712	$ 6,724
Earnings per share attributable to Aegion Corporation:
Basic: (in Dollars per share)	$ 0.07	$ 0.17
Diluted: (in Dollars per share)	$ 0.07	$ 0.17