Stock-Based Compensation and Stock Options - Stock Options (Detail) - $ / shares	3 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]
Options outstanding, beginning balance, Shares	489,727	651,857
Options granted, Shares	14,750	0
Options exercised, Shares	(32,945)	(39,471)
Options cancelled/forfeited, Shares	(2,365)	(485)
Options outstanding, ending balance, Shares	469,167	611,901
Options outstanding, beginning balance, Weighted Average Exercise Price	$ 129.39	$ 108.1
Options granted, Weighted Average Exercise Price	270.25	0
Options exercised, Weighted Average Exercise Price	95.37	75.79
Options cancelled/forfeited, Weighted Average Exercise Price	165.39	149.26
Options outstanding, ending balance, Weighted Average Exercise Price	$ 136.02	$ 110.1

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

+ References

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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