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.

+ References

No definition available.

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- Definition

Employee stock purchase plan, shares issued.

+ References

No definition available.

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- Definition

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

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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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 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.

+ Details

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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.

+ Details

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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
-Section 50
-Paragraph 1
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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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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

+ Details

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- Definition

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

+ References

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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.

+ References

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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

+ Details

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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

+ Details

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- Definition

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

+ References

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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.

+ Details

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

+ References

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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.

+ References

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- Definition

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

+ References

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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.

+ References

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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.

+ Details

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Share Based Awards - Additional Information (Details) - USD ($)				1 Months Ended	3 Months Ended		6 Months Ended
	Oct. 23, 2018	Dec. 29, 2016	Aug. 11, 2014	Jan. 27, 2020	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Mar. 31, 2020	Aug. 31, 2019	Aug. 31, 2017	Aug. 31, 2015	Oct. 31, 2005
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding stock options					2,920,950		2,920,950		3,001,350
Total share-based compensation					$ 5,437,000	$ 4,316,000	$ 10,830,000	$ 9,207,000
Fair value of options vested							$ 1,771,000	1,886,000
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					173,970		173,970
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					4,275,175		4,275,175
Employee Share Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock reserved for issuance			4,000,000		3,308,969		3,308,969
Total share-based compensation					$ 140,000	109,000	$ 304,000	231,000
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
Shares issued					691,031		691,031
Employee Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding stock options					2,746,980		2,746,980
Total share-based compensation					$ 627,000	975,000	$ 1,359,000	1,949,000
Total unrecognized compensation costs					$ 2,651,000		$ 2,651,000
Stock option recognized over weighted average period (in years)							1 year 2 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
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					2,319,464		2,319,464
Performance Shares \| 2015 Plan
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					23,186		23,186
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					2,319,464		2,319,464		2,312,780
Total share-based compensation					$ 4,150,000	3,713,000	$ 8,189,000	7,009,000
Stock option recognized over weighted average period (in years)							2 years
Total unrecognized compensation costs					26,955,000		$ 26,955,000
Share-based compensation arrangement by share-based payment award, options, grants in period, net of forfeitures							845,989
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					$ 62,000	62,000	$ 123,000	123,000
Vesting period							4 years
Number of shares granted		123,082
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					23,186		23,186
Performance Stock Units \| Units Granted On October 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
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%
Weighted-average grant date fair value	$ 17.84
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					$ 344,000		$ 625,000
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%
Weighted-average grant date fair value				$ 16.02
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 Tied to Total Shareholder Return \| Units Granted On October 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total share-based compensation					$ 114,000	$ 114,000	$ 229,000	$ 229,000