Commitments and Contingencies (Policies)	3 Months Ended
Jun. 30, 2012
Commitments and Contingencies:
Commitments and Contingencies	3. The Company is, from time to time, involved in litigation, including environmental claims and contract disputes, in the normal course of business. While it is not possible at this time to establish the ultimate amount of liability with respect to contingent liabilities, including those related to legal proceedings, management is of the opinion that the aggregate amount of any such liabilities, for which provision has not been made, will not have a material adverse effect on the Company's financial position.

Disclosure of accounting policy for commitments and contingencies, which may include policies for recognizing and measuring loss and gain contingencies.

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