| **Income Taxes**                     | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
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| **Income Tax Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Income Taxes                         | INCOME TAXESThe provision for income taxes for the three and six months ended September 30, 2024 is based on our projected annual effective tax rate for fiscal year 2025, adjusted for specific items that are required to be recognized in the period in which they are incurred. Our effective tax rate for the three and six months ended September 30, 2024 was 26 percent and 28 percent, respectively, as compared to negative 2 percent and 15 percent for the same periods in prior year. Our effective tax rate for the three months ended September 30, 2023 included one-time tax benefits related to the remeasurement of our Swiss deferred tax assets due to the change in statutory tax rate as well as the R&D capitalization guidance issued by the U.S. Treasury in that period. Excluding these one-time tax benefits, our effective tax rate for the three and six months ended September 30, 2023 would have been 25 percent and 27 percent, respectively.We are subject to income tax examinations in various jurisdictions with respect to fiscal years after 2013. The timing and potential resolution of income tax examinations is highly uncertain.While we continue to measure our uncertain tax positions, the amounts ultimately paid, if any, upon resolution of the issues raised by the taxing authorities may differ materially from the amounts accrued. For example, in the period ended June 30, 2020, the decision of the Ninth Circuit Court of Appeals in Altera Corp. v Commissioner (“the Altera opinion”) resulted in a partial decrease of our unrecognized tax benefits. A complete resolution and settlement of the matters underlying the Altera opinion may result in an additional reduction of our gross unrecognized tax benefits. However, it is uncertain whether a complete resolution and settlement of such matters would also result in resolution of all related and unrelated U.S. positions for all applicable years. Therefore, it is not possible to provide a range of potential outcomes associated with a reversal of our gross unrecognized tax benefits. We expect changes in unrecognized tax benefits unrelated to the Altera opinion which may occur within the next twelve months to be insignificant. |

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| - 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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