Income Taxes |
6 Months Ended |
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Sep. 30, 2026 | |
| Income Tax Disclosure [Abstract] | |
| Income Taxes | Income Taxes The Company is incorporated in Switzerland but operates in various countries with differing tax laws and rates. Further, a portion of the Company’s income before taxes and the provision for income taxes is generated outside of Switzerland. The income tax provision for the three and six months ended September 30, 2026 was $38.5 million and $78.3 million, based on an effective income tax rate of 17.6% and 15.9% of pre-tax income, respectively. The income tax provision for the same periods ended September 30, 2025 was $32.4 million and $60.9 million, based on an effective income tax rate of 15.9% and 16.1% of pre-tax income, respectively. The change in the effective income tax rate for the three and six months ended September 30, 2026, compared with the same periods ended September 30, 2025, was primarily due to the change in the mix of income and losses in the various tax jurisdictions in which the Company operates and return to provision adjustments, offset by higher tax benefits from share-based compensation. Following the enactment of the One Big Beautiful Bill Act ("OBBBA") on July 4, 2025, several corporate tax provisions became effective for the Company beginning in fiscal year 2027, including adjustments to domestic R&D expensing, bonus depreciation, and modified international frameworks. Based on the Company's evaluation of these provisions, the final impact of the OBBBA is expected to be de minimis for fiscal year 2027 and will not materially impact the consolidated financial statements or the effective tax rate. For the three and six months ended September 30, 2026, the Company assessed its exposure to the OECD Pillar Two global minimum tax rules and the newly released OECD Administrative Guidance package. While the package's "Side-by-Side" System—designed to align the U.S. tax framework with Pillar Two—does not apply directly to the Company as a non-U.S. headquartered multinational, the broader guidance introduces a new permanent safe harbor and a one-year extension of the transitional Country-by-Country Reporting ("CbCR") safe harbor. Based on Qualified CbCR data, the Company expects that most jurisdictions in which it operates to continue qualifying for the transitional safe harbor. For the limited jurisdictions that do not qualify, the estimated top-up tax for fiscal year 2027 is expected to be de minimis and will not materially impact the consolidated financial statements or the effective tax rate. The Company continues to monitor ongoing legislative developments but does not anticipate a material change to its Pillar Two liability.
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