Stock-Based Compensation and Stock Options - Stock Options Outstanding and Exercisable (Detail) - $ / shares	3 Months Ended
Jun. 30, 2026	Mar. 31, 2026
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding Options Number of Outstanding Options	1,135,831	1,196,283
Outstanding Options Weighted Average Remaining Contractual Life	2 years 11 months 23 days
Outstanding Options – Weighted Average Exercise Price	$ 60.95	$ 59.83
Exercisable Options – Number of Exercisable Options	651,952
Exercisable Options – Weighted Average Exercise Price	$ 54.31
Range of Exercise Price, $14.44 to $49.63 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, lower limit	14.44
Range of Exercise Price, upper limit	$ 52
Outstanding Options Number of Outstanding Options	355,007
Outstanding Options Weighted Average Remaining Contractual Life	1 year 11 months 1 day
Outstanding Options – Weighted Average Exercise Price	$ 40.77
Exercisable Options – Number of Exercisable Options	347,582
Exercisable Options – Weighted Average Exercise Price	$ 40.53
Range of Exercise Price, $49.64 to $54.54 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, lower limit	52.01
Range of Exercise Price, upper limit	$ 54.54
Outstanding Options Number of Outstanding Options	287,911
Outstanding Options Weighted Average Remaining Contractual Life	4 years 3 months
Outstanding Options – Weighted Average Exercise Price	$ 53.4
Exercisable Options – Number of Exercisable Options	66,074
Exercisable Options – Weighted Average Exercise Price	$ 54.25
Range of Exercise Price, $54.55 to $73.36 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, lower limit	54.55
Range of Exercise Price, upper limit	$ 75.36
Outstanding Options Number of Outstanding Options	335,959
Outstanding Options Weighted Average Remaining Contractual Life	2 years 5 months 1 day
Outstanding Options – Weighted Average Exercise Price	$ 69.1
Exercisable Options – Number of Exercisable Options	186,379
Exercisable Options – Weighted Average Exercise Price	$ 66.83
Range of Exercise Price, $73.37 to $110.18 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Price, lower limit	75.37
Range of Exercise Price, upper limit	$ 110.18
Outstanding Options Number of Outstanding Options	156,954
Outstanding Options Weighted Average Remaining Contractual Life	4 years 3 months 7 days
Outstanding Options – Weighted Average Exercise Price	$ 103.02
Exercisable Options – Number of Exercisable Options	51,917
Exercisable Options – Weighted Average Exercise Price	$ 101.67

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

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

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

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- Definition

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

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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.

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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- Definition

Weighted-average contractual term remaining for outstanding stock option, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents 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

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