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Income Taxes
 9 Months Ended
Sep. 30, 2011
Income Taxes [Abstract]  
Income Taxes
8. Income Taxes

The Company files income tax returns in the United States Federal jurisdiction, in a limited number of foreign jurisdictions, and in many state jurisdictions. With few exceptions, the Company is no longer subject to U.S. Federal, state or foreign income tax examinations for years before 2007.

The Company had $125,000 of unrecognized tax benefits at September 30, 2011 and December 31, 2010. The Company does not believe it is reasonably possible that the total amounts of unrecognized tax benefits will change significantly in the following twelve months; however, actual results could differ from those currently expected.

The Company recognizes interest and penalties related to uncertain tax positions in income tax expense. The Company provided for income taxes at estimated effective tax rates of 52.1% and 43.6%, respectively, for the three and nine month periods ended September 30, 2011, and estimated effective tax rates of 25.1% and 26.3%, respectively, for the three and nine month periods ended September 30, 2010.