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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, 2021 $ / shares shares
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 799,501
Weighted- Average Remaining Contractual Life (Years) | 7 years 9 months 18 days
Weighted Average Exercise Price (in dollars per share) | $ / shares | $ 72.31
$57.60-$60.00 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 231,025
Weighted- Average Remaining Contractual Life (Years) | 7 years 10 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ / shares | $ 57.73
$60.01-$70.00 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 56,530
Weighted- Average Remaining Contractual Life (Years) | 3 years 10 months 24 days
Weighted Average Exercise Price (in dollars per share) | $ / shares | $ 68.78
$70.01-$83.14 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Number of Options | shares | 511,946
Weighted- Average Remaining Contractual Life (Years) | 8 years 2 months 12 days
Weighted Average Exercise Price (in dollars per share) | $ / shares | $ 79.28

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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