Income Taxes	3 Months Ended
Sep. 30, 2021
Income Taxes
Income Taxes	10. Income Taxes The determination of the annual effective tax rate is based upon a number of significant estimates and judgments, including the estimated annual pretax income in each tax jurisdiction in which we operate and the development of tax planning strategies during the year. In addition, as a global commercial enterprise, our tax expense can be impacted by changes in tax rates or laws, the finalization of tax audits and reviews and other factors that cannot be predicted with certainty. As such, there can be significant volatility in interim tax provisions. The effective tax rates for the three months ended September 30, 2020 and 2021 were 25.3% and 15.9%, respectively. During the three months ended September 30, 2020 and 2021, we recognized net discrete tax benefit of $0.3 million and $2.1 million, respectively, for stock-based compensation under ASU 2016-09.

- 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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