INCOME TAX EXPENSE	6 Months Ended
Mar. 31, 2021
INCOME TAX EXPENSE
INCOME TAX EXPENSE	8. INCOME TAX EXPENSE The second quarter 2021 effective income tax rate from continuing operations was 23.5% compared to 11.0% in the second quarter of 2020. The effective income tax rate in the first six months of 2021 was 23.1% compared to 16.9% for the first six months of 2020. Income tax expense in the second quarter of 2021 was unfavorably impacted by a change in our estimate of the fiscal 2020 research credit increasing the second quarter and year-to-date effective tax rate by 0.6% and 0.3%, respectively. Income tax expense in the second quarter of 2020 was favorably impacted by the release of a valuation allowance of $2.8 million for foreign net operating losses decreasing the second quarter 2020 and year-to-date effective tax rate by 14.3% and 8.2%, respectively.

- 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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