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Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Net of Withholding Tax

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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The amount of plan compensation cost recognized during the period.

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Number, after shares used to satisfy grantee's tax withholding obligation for award under share-based payment arrangement, of restricted shares issued. Excludes cash used to satisfy grantee's tax withholding obligation.

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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

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Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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Stock-Based Compensation - Narrative (Detail) - USD ($)				3 Months Ended		12 Months Ended
Stock-Based Compensation - Narrative (Detail) - USD ($)	Apr. 05, 2019	May 09, 2017	Apr. 11, 2012	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based compensation cost				$ 19,341,000	$ 14,759,000
Options granted, contractual period, years				10 years
Options granted (in shares)				0	475,695
Unrecognized stock-based compensation cost for options				$ 15,573,000
Restricted stock unit vesting right (in shares)				1
Restricted stock unit vesting right, fair value (in shares)				1
Performance units vesting right (in shares)				1
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period				3 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period				5 years
Employee stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining requisite vesting period				2 years 9 months 18 days
Restricted share units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining requisite vesting period				2 years 7 months 6 days
Net settlement on vesting of restricted share unit (in shares)				149,158
Unrecognized stock-based compensation cost				$ 39,942,000
Vested (in shares)				(225,979)
Restricted share units (RSUs) \| Vesting period 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net settlement on vesting of restricted share unit (in shares)				39,515
Vested (in shares)				(39,633)
Restricted share units (RSUs) \| Vesting period 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Net settlement on vesting of restricted share unit (in shares)				120,858
Vested (in shares)				(199,297)
Restricted share units (RSUs) \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period				3 months
Restricted share units (RSUs) \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period				4 years
Performance units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average remaining requisite vesting period				2 years
Unrecognized stock-based compensation cost				$ 88,750,000
Vested (in shares)				(645,308)
Vested, net of withholding tax (in shares)				410,843
Performance units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period				6 months
Performance units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, vesting period				3 years
Performance units \| Prior to 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance units vesting right, fair value (in shares)				1
Performance units period				1 year
Performance units \| 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance units period				3 years
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value per share allowed to eligible employees to purchase through payroll deductions (in percentage)				90.00%
Maximum percentage of employee's base salary allowed to be purchased (in percentage)				15.00%
Maximum dollar amount of common shares allowed to be purchased				$ 25,000
Common shares reserved for issuance (in shares)				4,200,000
Issuance of common shares under the employee stock purchase plan (in shares)				72,645	87,646
Compensation expense for ESPP				$ 363,000	$ 491,000
2007 Omnibus Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amended omnibus plan, increase in number of common shares authorized for issuance (in shares)	8,000,000	3,500,000	5,593,200			8,858,823
Number of common shares authorized for issuance (in shares)	23,000,000	26,500,000	15,000,000
2017 Omnibus Incentive Compensation Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares authorized for issuance (in shares)		15,000,000