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INCOME TAXES | 6 Months Ended
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Jun. 30, 2021
INCOME TAXES |
INCOME TAXES | NOTE D – INCOME TAXES ​ The effective tax rate was 17.0% and 19.5% for the three and six months ended June 30, 2021, respectively. The effective tax rate was 23.4% and 23.1% for the three and six months ended June 30, 2020, respectively. State tax rates vary among states and average approximately 6.0% to 6.5%, although some state rates are higher and a small number of states do not impose an income tax. ​ For the three and six months ended June 30, 2021, the difference between the Company’s effective tax rate and the federal statutory rate primarily resulted from state income taxes, nondeductible expenses, changes in the cash surrender value of life insurance, federal research and development tax credits, changes in tax valuation allowances, and tax benefit from the vesting of stock awards. For the three and six months ended June 30, 2020, the difference between the Company’s effective tax rate and the federal statutory rate primarily resulted from state income taxes, nondeductible expenses, changes in the cash surrender value of life insurance, federal alternative fuel and research development tax credits, changes in valuation allowances, and the tax expense from the vesting stock awards. The Company’s effective tax rate for the six months ended June 30, 2020 was also impacted by the reversal of an uncertain tax position. ​ As of June 30, 2021, the Company’s deferred tax liabilities, which will reverse in future years, exceeded the deferred tax assets. The Company evaluated the total deferred tax assets at June 30, 2021 and concluded that, other than for certain deferred tax assets related to foreign and state tax credit carryforwards and federal and state net operating losses, the assets did not exceed the amount for which realization is more likely than not. In making this determination, the Company considered the future reversal of existing taxable temporary differences, future taxable income, and tax planning strategies. Valuation allowances for deferred tax assets totaled $1.4 million and $1.3 million at June 30, 2021 and December 31, 2020, respectively. ​ The Company paid federal, state, and foreign income taxes of $15.3 million during the six months ended June 30, 2021, and paid foreign and state income taxes of $2.3 million during the six months ended June 30, 2020. The Company received refunds of federal and state income taxes that were paid in prior years of less than $0.1 million and $0.4 million during the six months ended June 30, 2021 and 2020, respectively.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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