Employee stock purchase plan, maximum purchase in calendar year.

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- Definition

The highest quantity of shares an employee can purchase under the plan per purchase period.

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No definition available.

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- Definition

Employee stock purchase plan, shares issued.

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- Definition

Maximum Percentage of Shares Issued Under Performance Based Restricted Stock Units Awards

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- Definition

Minimum Percentage of Shares Issued Under Performance Based Restricted Stock Units Awards

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- Definition

Percentage of performance stock units tied to fiscal year two thousand twenty one adjusted earnings per share goals.

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- Definition

Percentage of performance stock units tied to fiscal year two thousand twenty one revenue.

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- Definition

Percentage of performance stock units tied to fiscal year two thousand twenty one revenue goal.

+ References

No definition available.

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- Definition

Percentage of performance stock units tied to fiscal year two thousand twenty three revenue goal.

+ References

No definition available.

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- Definition

Percentage of performance stock units tied to fiscal year two thousand twenty two revenue goal.

+ References

No definition available.

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- Definition

Percentage of performance stock units tied to three year shareholder return.

+ References

No definition available.

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- Definition

Share-based compensation arrangement by share based payment award vesting period for the three year shareholder return.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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- Definition

Aggregate number of common shares reserved for future issuance.

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

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.

+ References

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- Definition

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

+ References

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- Definition

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

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- Definition

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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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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- Definition

Date the equity-based award expires, in CCYY-MM-DD format.

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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.

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- Definition

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

+ References

+ Details

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

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

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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- Definition

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

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

+ References

No definition available.

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Share Based Awards - Additional Information (Details) - USD ($)					1 Months Ended	12 Months Ended
	Oct. 26, 2020	Oct. 23, 2018	Dec. 29, 2016	Aug. 11, 2014	Jan. 27, 2020	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019	Aug. 31, 2019	Mar. 31, 2018	Aug. 31, 2017	Aug. 31, 2015	Oct. 31, 2005
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding stock options						2,791,084	3,001,350	3,166,525		3,670,170
Total share-based compensation						$ 22,710,000	$ 19,694,000	$ 16,102,000
Weighted-average grant date fair value								$ 7.18
Fair value of options vested						$ 3,272,000	3,940,000	$ 3,985,000
2005 Employee Stock Option and Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance													4,800,000
Outstanding stock options						142,220
2015 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance									3,575,000		6,000,000
Common stock reserved												11,500,000
Shares available for future grant						1,538,544
Employee Share Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance				4,000,000		3,251,172
Total share-based compensation						$ 519,000	484,000	481,000
Maximum percentage of gross payroll deduction				15.00%
Purchase price as a percentage of fair market value				90.00%
Maximum shares purchase in a single transaction				1,500
Maximum amount purchased in a calendar year				$ 25,000,000
Shares issued						748,828
Employee Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding stock options						2,648,864
Total share-based compensation						$ 2,536,000	$ 3,826,000	$ 3,936,000
Total unrecognized compensation costs						$ 1,473,000
Stock option recognized over weighted average period (in years)						8 months 12 days
Employee Stock Options \| 2005 Employee Stock Option and Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expiration period (in years)						10 years
Share-based compensation award plan , expiration date						May 25, 2015
Employee Stock Options \| 2015 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expiration period (in years)						10 years
Number of shares granted						0	0	326,130
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number						2,263,569
Restricted Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number						2,263,569	2,312,780	1,715,958		1,820,910
Total share-based compensation						$ 16,371,000	$ 14,706,000	$ 10,875,000
Stock option recognized over weighted average period (in years)						1 year 9 months 18 days
Total unrecognized compensation costs						$ 23,277,000
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures						1,222,863	1,529,831	885,845
Restricted Stock \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						1 year
Restricted Stock \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						3 years
Performance Stock Awards \| Awards Granted On December 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total share-based compensation						$ 184,000
Number of shares granted			123,082
Vesting period						4 years
Performance Stock Awards \| 2015 Plan \| Awards Granted On December 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, non-option equity instruments, outstanding, number						0
Performance Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock option recognized over weighted average period (in years)						2 years 3 months 18 days
Total unrecognized compensation costs						$ 9,896,000
Performance Stock Units \| Units Granted On October 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total share-based compensation						458,000	$ 123,000	$ 534,000
Weighted-average grant date fair value		$ 17.84
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures		248,140
Percentage of shares issued, minimum		50.00%
Percentage of shares issued, maximum		200.00%
Percentage of performance stock units tied to 3-year total shareholder return		34.00%
Percentage of performance stock units tied to fiscal year 2021 revenue		33.00%
Percentage performance stock units tied to fiscal year 2021 adjusted earnings per share goals		33.00%
Performance Stock Units \| Units Granted On December 2019 and January 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total share-based compensation						1,455,000	$ 309,000
Weighted-average grant date fair value					$ 16.02
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures					279,587
Percentage of shares issued, minimum					42.50%
Percentage of shares issued, maximum					172.50%
Percentage of performance stock units tied to fiscal year 2021 revenue goal					80.00%
Percentage of performance stock units tied to fiscal year 2022 revenue goal					20.00%
Vesting period for the 3-year total shareholder return					3 years
Performance Stock Units \| Units Granted On October 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total share-based compensation						$ 1,187,000
Weighted-average grant date fair value	$ 16.25
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures	408,861
Percentage of shares issued, minimum	8.50%
Percentage of shares issued, maximum	199.50%
Percentage of performance stock units tied to fiscal year 2022 revenue goal	80.00%
Vesting period for the 3-year total shareholder return	3 years
Percentage of performance stock units tied to fiscal year 2023 revenue goal	20.00%