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Basis of Preparation
6 Months Ended
Jun. 30, 2011
Basis of Preparation [Abstract]  
Basis of Preparation
Note 1.  Basis of Preparation
We have prepared the accompanying unaudited interim financial statements pursuant to the rules and regulations of the Securities and Exchange Commission, and as permitted thereunder we have omitted certain information and footnote disclosures required by U.S. Generally Accepted Accounting Principles (GAAP) for complete financial statements.  We suggest that you read these interim statements in conjunction with the financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended              December 31, 2010.  The condensed consolidated balance sheet as of December 31, 2010 included in this report has been derived from the audited financial statements at that date.
The foregoing 2011 interim results are not necessarily indicative of the results of operations for the full year 2011.  Management believes that it has made all adjustments necessary, consisting only of normal recurring adjustments, for a fair statement of the information shown.
Our policy is to consolidate all subsidiaries in which we hold a greater than 50% voting interest or otherwise control its operating and financial activities.  We use the equity method to account for investments in entities in which we hold a 20% to 50% voting or economic interest and have the ability to exercise significant influence over their operating and financial activities.  We use the cost method to account for investments in entities in which we hold a less than 20% voting interest and in which we cannot exercise significant influence over operating and financial activities.
Revenues and expenses relating to our Rail-FerryService segment voyages are recorded over the duration of the voyage.  Our voyage expenses are estimated at the beginning of the voyages based on historical actual costs or from industry sources familiar with those types of charges.  As the voyage progresses, these estimated costs are revised with actual charges and timely adjustments are made.  The expenses are ratably expensed over the voyage based on the number of days in progress at the end of the period.  Based on our prior experience, we believe there is no material difference between recording estimated expenses ratably over the voyage versus recording expenses as incurred.  Revenues and expenses relating to our other segments' voyages, which require no estimates or assumptions, are recorded when earned or incurred during the reporting period.
We have eliminated all significant intercompany balances, accounts and transactions.