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Quarterly Financial Information
12 Months Ended
Dec. 31, 2011
Quarterly Financial Information [Abstract]  
Quarterly Financial Information
Note 21 — Quarterly Financial Information (Unaudited)
 
The offshore marine construction industry in the Gulf of Mexico is highly seasonal as a result of weather conditions and the timing of capital expenditures by oil and gas companies. Historically, a substantial portion of our services has been performed during the summer and fall months. As a result, historically a disproportionate portion of our revenues and net income is earned during such period. The following is a summary of consolidated quarterly financial information for 2010 and 2009 (in thousands, except per share data):