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Income Taxes
 9 Months Ended
Dec. 31, 2022
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company’s effective income tax rates were 25.6% and 18.9% for the three months ended December 31, 2022 and 2021, respectively, and 23.3% and 21.6% for the nine months ended December 31, 2022 and 2021, respectively. Our effective tax rates for these periods differ from the federal statutory rate of 21.0% primarily due to the inclusion of state and foreign income taxes and permanent rate differences, which are predominantly related to certain executive compensation and the accrual of reserves for uncertain tax positions, offset by research and development tax credits, excess tax benefits for employee share-based compensation, and the Foreign Derived Intangible Income deduction.
The Company is currently contesting tax assessments from the District of Columbia Office of Tax and Revenue (“DC OTR”) for fiscal years 2013 through 2015. The assessment relates to $11.7 million of taxes, net of federal tax benefits, as of December 31, 2022.
During fiscal 2022, the Company received notification that the District of Columbia Office of Administrative Hearings ruled in favor of the DC OTR. The Company is currently appealing the decision with the District of Columbia Court of Appeals. The Company intends to continue to vigorously defend this matter. Oral arguments will occur in calendar year 2023.
The Company has taken similar tax positions with respect to subsequent fiscal years. As of December 31, 2022, the Company does not maintain reserves for any uncertain tax positions related to the contested tax benefits related to 2013 through 2015, nor does it maintain reserves for the similar tax positions taken in the subsequent fiscal years. Management continues to evaluate this position quarterly to determine if a change in estimate is needed. If an adverse final resolution were to occur with respect to uncertain tax positions related to the contested tax benefits or the similar tax positions taken for fiscal years 2013 through 2020, the total potential future tax expense that would arise would be approximately $40.2 million to $58.8 million, net of federal benefits.
For the fiscal 2021 tax year, the Company generated a tax loss for U.S. Federal and state tax purposes resulting from the treatment of costs associated with property, plant, and equipment. As a result of a provision in the Coronavirus Aid, Relief and Economic Security Act (“CARES Act”), the Company was allowed to carry this loss back to the five prior tax years (fiscal years 2016 to 2020). Accordingly, the Company recorded a long-term income tax receivable in fiscal 2021 (due to the uncertainty around expectations for the timing of refund receipt) which was largely offset by a corresponding deferred tax liability reflected within the property and equipment deferred tax liability in the Company's significant components of deferred income tax assets and liabilities. In October 2022, the Company received a partial federal tax refund of approximately $174.0 million plus interest for its carryback claim related to the above, which reduced the long-term income tax receivable on our Condensed Consolidated Balance Sheet as of December 31, 2022.