Income Taxes	3 Months Ended
Jun. 30, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Note 9 — Income Taxes Ordinarily, the Company calculates its provision for income taxes at the end of each interim reporting period on the basis of an estimated annual effective tax rate adjusted for tax items that are discrete to each period. However, when a reliable estimate cannot be made, the Company computes its provision for income taxes using the actual effective tax rate (discrete method) for the year-to-date period. The Company’s effective tax rate is highly influenced by the amount of its R&D tax credits. A small change in estimated annual pretax income (loss) can produce a significant variance in the annual effective tax rate given the Company’s expected amount of R&D tax credits. This variability provides an unreliable estimate of the annual effective tax rate. As a result, and in accordance with the authoritative guidance for accounting for income taxes in interim periods, the Company has computed its provision for income taxes for the three months ended June 30, 2021 and 2020 by applying the actual effective tax rate to the income (loss) for the three-month periods. For the three months ended June 30, 2021, the Company recorded an income tax benefit of $4.1 million resulting in an effective tax benefit rate of 29%. The effective tax benefit rate for the period differed from the U.S. statutory rate primarily due to the benefit of federal and state R&D tax credits and the reversal of a deferred tax liability recorded for Euro Infrastructure Co.’s outside basis difference upon assertion to indefinitely reinvest future earnings. For the three months ended June 30, 2020, the Company recorded an income tax benefit of $5.7 million resulting in an effective tax benefit rate of 39%. The effective tax benefit rate for the period differed from the U.S. statutory rate due primarily to the benefit of federal and state R&D tax credits. Future realization of existing deferred tax assets ultimately depends on future profitability and the existence of sufficient taxable income of appropriate character (for example, ordinary income versus capital gains) within the carryforward period available under tax law. In the event that the Company’s estimate of taxable income is less than that required to utilize the full amount of any deferred tax asset, a valuation allowance is established, which would cause a decrease to income in the period such determination is made. For the three months ended June 30, 2021, the Company’s gross unrecognized tax benefits increased by $1.6 million, including interest and penalties of an insignificant amount, which were included as a component of the provision for income taxes. In the next 12 months it is reasonably possible that the amount of unrecognized tax benefits will not change significantly.

Income Taxes

3 Months Ended

Jun. 30, 2021

Note 9 — Income Taxes

Ordinarily, the Company calculates its provision for income taxes at the end of each interim reporting period on the basis of an estimated annual effective tax rate adjusted for tax items that are discrete to each period. However, when a reliable estimate cannot be made, the Company computes its provision for income taxes using the actual effective tax rate (discrete method) for the year-to-date period. The Company’s effective tax rate is highly influenced by the amount of its R&D tax credits. A small change in estimated annual pretax income (loss) can produce a significant variance in the annual effective tax rate given the Company’s expected amount of R&D tax credits. This variability provides an unreliable estimate of the annual effective tax rate. As a result, and in accordance with the authoritative guidance for accounting for income taxes in interim periods, the Company has computed its provision for income taxes for the three months ended June 30, 2021 and 2020 by applying the actual effective tax rate to the income (loss) for the three-month periods.

For the three months ended June 30, 2021, the Company recorded an income tax benefit of $4.1 million resulting in an effective tax benefit rate of 29%. The effective tax benefit rate for the period differed from the U.S. statutory rate primarily due to the benefit of federal and state R&D tax credits and the reversal of a deferred tax liability recorded for Euro Infrastructure Co.’s outside basis difference upon assertion to indefinitely reinvest future earnings.

For the three months ended June 30, 2020, the Company recorded an income tax benefit of $5.7 million resulting in an effective tax benefit rate of 39%. The effective tax benefit rate for the period differed from the U.S. statutory rate due primarily to the benefit of federal and state R&D tax credits.

Future realization of existing deferred tax assets ultimately depends on future profitability and the existence of sufficient taxable income of appropriate character (for example, ordinary income versus capital gains) within the carryforward period available under tax law. In the event that the Company’s estimate of taxable income is less than that required to utilize the full amount of any deferred tax asset, a valuation allowance is established, which would cause a decrease to income in the period such determination is made.

For the three months ended June 30, 2021, the Company’s gross unrecognized tax benefits increased by $1.6 million, including interest and penalties of an insignificant amount, which were included as a component of the provision for income taxes. In the next 12 months it is reasonably possible that the amount of unrecognized tax benefits will not change significantly.

- 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.

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