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Income Taxes
 6 Months Ended
Sep. 28, 2025
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The Company’s income tax provision consists of federal, state and foreign income taxes. The tax provision for the second quarter of fiscal 2026 and 2025 was based on the estimated effective tax rates applicable for the full years ending March 31, 2026 and March 31, 2025, respectively, after giving effect to items specifically related to the interim periods. The Company’s effective income tax rate with respect to any period may be volatile based on the mix of income in the tax jurisdictions, in which the Company operates, changes in tax laws and the amount of the Company's consolidated earnings before taxes.

The Organization for Economic Co-operation and Development (OECD) has a global minimum corporate tax of 15% for companies with global revenues and profits above certain thresholds (referred to as Pillar 2), with certain aspects of Pillar 2 effective for taxable years beginning after December 31, 2023. While it is uncertain whether the U.S. will enact legislation to adopt Pillar 2, certain countries in which we operate have adopted legislation, and other countries are in the process of introducing legislation to implement Pillar 2.

On July 4, 2025, the “One Big Beautiful Bill Act” (“OBBBA”) was enacted into law. The law included permanent extension of certain expiring provisions of the Tax Cuts and Jobs Act, modifications to the international tax framework, and changes to the tax treatment for certain business provisions and energy credits.

The impact of the enacted legislation is included in our estimated effective tax rate. The Company will continue to monitor and evaluate as new legislation and guidance is issued.

On August 26, 2024, the U.S. Tax Court issued a ruling in Varian Medical Systems, Inc. v. Commissioner ("Varian"). The ruling related to the U.S. taxation of deemed foreign dividends in the transition tax of the Tax Cuts and Jobs Act (“Tax Act”) which was originally recorded in fiscal 2018. The impact of the ruling was included in our fiscal 2025 results.

The consolidated effective income tax rates for the second quarter of fiscal 2026 and 2025 were 10.5% and 2.3% and for the six months of fiscal 2026 and 2025 were 11.4% and 6.8%. The rate increase in the second quarter and six months of fiscal 2026 compared to the prior year periods are primarily due to a discrete tax benefit for Varian in fiscal 2025, impact of Pillar 2 and mix of earnings among tax jurisdictions.
Foreign income as a percentage of worldwide income is estimated to be 53% for fiscal 2026 and fiscal 2025. The foreign effective tax rates for the six months of fiscal 2026 and 2025 were 17% and 15%, respectively. The foreign effective tax rate increase is primarily due to the impact of Pillar 2. Income from the Company's Swiss subsidiary comprised a substantial portion of the Company's overall foreign mix of income for both fiscal 2026 and fiscal 2025 and were taxed at an effective income tax rate of approximately 14% and 11%, respectively.