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Commitments and Contingencies	3 Months Ended
Commitments and Contingencies	Mar. 31, 2012
Commitments and Contingencies [Abstract]
Commitments and Contingencies	Note 12. Commitments and Contingencies Legal Proceedings We are involved in various legal proceedings in the ordinary course of business. These proceedings are subject to the uncertainties inherent in any litigation. We are defending ourselves vigorously in all such matters and we believe that the ultimate disposition of such proceedings will not have a material adverse effect on our financial position, results of operations or cash flows.