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Income Taxes
3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]  
Income Taxes
(4) Income Taxes
Fastenal, or one of its subsidiaries, files income tax returns in the United States federal jurisdiction, all states, and various local and foreign jurisdictions. With limited exceptions, we are no longer subject to income tax examinations by taxing authorities for taxable years before 2011 in the case of United States federal and foreign examinations and 2010 in the case of state and local examinations.
As of March 31, 2015 and 2014, the Company had $4,122 and $3,916, respectively, of liabilities recorded related to gross unrecognized tax benefits. Included in this liability for unrecognized tax benefits is an immaterial amount for interest and penalties, both of which we classify as a component of income tax expense. The Company does not anticipate its total unrecognized tax benefits will change significantly during the next twelve months.