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v3.25.1

Summary of Significant Accounting Policies (Narrative) (Details) $ in Millions | 12 Months Ended
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Mar. 31, 2025 USD ($) reporting_unit performanceObligation | Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($)
Revenue Recognition |  |  |
Sales contract with customer term (in years) | 1 year |  |
Number of performance obligations | performanceObligation | 2 |  |
Service period of deferred revenue | 5 years |  |
Advertising Costs |  |  |
Advertising costs | $ 355.1 | $ 325.3 | $ 383.7
Leases |  |  |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Other assets | Other assets |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued and other current liabilities | Accrued and other current liabilities |
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent |
Impairment of Goodwill |  |  |
Number of reporting units | reporting_unit | 1 |  |
Plant and buildings |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 25 years |  |
Operating expense |  |  |
Advertising Costs |  |  |
Advertising costs | $ 53.1 | $ 46.6 | $ 67.3
Minimum |  |  |
Revenue Recognition |  |  |
Required customer payment period (in days) | 30 days |  |
Intangible Assets |  |  |
Estimated useful life (in years) | 1 year |  |
Product Warranties |  |  |
Product warranty period (in years) | 1 year |  |
Minimum | Equipment |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 3 years |  |
Minimum | Internal-use software |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 3 years |  |
Minimum | Tooling |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 6 months |  |
Maximum |  |  |
Revenue Recognition |  |  |
Required customer payment period (in days) | 60 days |  |
Intangible Assets |  |  |
Estimated useful life (in years) | 10 years |  |
Product Warranties |  |  |
Product warranty period (in years) | 3 years |  |
Maximum | Equipment |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 5 years |  |
Maximum | Internal-use software |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 7 years |  |
Maximum | Tooling |  |  |
Property, Plant and Equipment |  |  |
Estimated useful life (in years) | 1 year |  |

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