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Income Tax Provision | 9 Months Ended
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Sep. 30, 2021
Income Tax Disclosure [Abstract] |
Income Tax Provision | Income Tax Provision We had an effective income tax rate of 13.8% and 7.7% for the three and nine months ended September 30, 2021, respectively, compared to 21.3% and negative 11.1% for the three and nine months ended September 30, 2020, respectively. The decrease in the effective tax rate for the three months ended September 30, 2021, as compared to the same period in 2020, was principally driven by the increase in the excess tax benefits related to stock incentive awards. The increase in the effective tax rate for the nine months ended September 30, 2021, as compared to the same period in 2020, was principally driven by the decrease in the excess tax benefits related to stock incentive awards. The effective income tax rates for the periods presented were different from the statutory United States federal income tax rate of 21% primarily due to excess tax benefits related to stock incentive awards, the tax benefit of research tax credits and the release of reserves for unrecognized income tax benefits resulting from expiration of the statutes of limitations for certain tax years, offset by state income taxes and non-deductible business expenses. The excess tax benefits related to stock incentive awards realized were $6.3 million and $21.5 million for the three and nine months ended September 30, 2021, respectively, as compared to $2.5 million and $48.0 million for the three and nine months ended September 30, 2020, respectively. Excluding the excess tax benefits, the effective tax rate was 26.1% and 26.3% for the three and nine months ended September 30, 2021, respectively, compared to 26.2% and 26.7% for the three and nine months ended September 30, 2020, respectively. We made tax payments of $1.7 million and $2.6 million in the nine months ended September 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=121826272&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=122134291&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=121826272&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=122134291&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=121826272&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 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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