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Stock-Based Compensation - Summary of Information Regarding Stock Options Outstanding and Exercisable (Detail) | 12 Months Ended
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Mar. 31, 2025 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 1,287,780
Weighted- Average Remaining Contractual Life (Years) | 6 years 9 months 18 days
Weighted-Average Exercise Price (usd per share) | $ / shares | $ 87.85
$57.60-$60.00 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 90,520
Weighted- Average Remaining Contractual Life (Years) | 4 years
Weighted-Average Exercise Price (usd per share) | $ / shares | $ 57.73
$70.01-$80.00 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 378,411
Weighted- Average Remaining Contractual Life (Years) | 6 years 4 months 24 days
Weighted-Average Exercise Price (usd per share) | $ / shares | $ 75.71
$80.01-$90.00 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 159,380
Weighted- Average Remaining Contractual Life (Years) | 4 years 2 months 12 days
Weighted-Average Exercise Price (usd per share) | $ / shares | $ 83.01
$90.01-$100.00 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 209,579
Weighted- Average Remaining Contractual Life (Years) | 8 years 1 month 6 days
Weighted-Average Exercise Price (usd per share) | $ / shares | $ 93.60
$100.01-$109.69 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 449,890
Weighted- Average Remaining Contractual Life (Years) | 8 years 1 month 6 days
Weighted-Average Exercise Price (usd per share) | $ / shares | $ 103.24

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (e)(1) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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