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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- Definition

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

+ References

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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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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.

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No definition available.

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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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No definition available.

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

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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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

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No definition available.

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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Amount remaining of a stock repurchase plan authorized.

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No definition available.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Percentage of the Company's common stock issued and outstanding that are available for issuance under an ESPP.

+ References

No definition available.

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Maximum annual increase in number of shares reserved for future issuance.

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No definition available.

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Percent of the Company's issued and outstanding common stock on each December 31 immediately prior to the date of increase, that an ESPP may be increased.

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No definition available.

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Represents the percentage of the number of shares of common stock issued and outstanding on each December 31 immediately prior to the date of increase, by which percentage the number of shares of common stock available for issuance will be increased on January 1, 2016 and on each January 1 thereafter.

+ References

No definition available.

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Of an ESPP, number of reserved common stock may increase under certain condition.

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No definition available.

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Stockholders' Equity - Narrative (Details) - USD ($)				3 Months Ended	6 Months Ended	87 Months Ended	111 Months Ended
Stockholders' Equity - Narrative (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2013	Nov. 14, 2013	Mar. 31, 2023	Mar. 31, 2023	Mar. 31, 2023	Mar. 31, 2023	Oct. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)				0
Exercises in period, intrinsic value				$ 776,000
Compensation cost not yet recognized, options				136,000	$ 136,000	$ 136,000	$ 136,000
Stock repurchase program, authorized amount								$ 100,000
Repurchase of common stock (in shares)					3,014,446
Repurchase of common stock				2,519,000	$ 58,964,000
Remaining capacity under Share Repurchase Program				$ 41,036,000	41,036,000	41,036,000	41,036,000
Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized, period for recognition				11 months 1 day
Restricted Stock Units and Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost not yet recognized, period for recognition				2 years 11 months 12 days
Compensation cost not yet recognized, non-option				$ 293,507,000	$ 293,507,000	$ 293,507,000	$ 293,507,000
The 2005 Stock Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (in shares)		14,139,957
Granted (in shares)							0
Shares available for grant (in shares)				0	0	0	0
The 2005 Stock Plan \| Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		4 years
The 2013 Omnibus Equity Award Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (in shares)			5,713,899
Vesting period (in years)			4 years
Percentage of outstanding stock reserved for grant			4.00%
Percentage of outstanding stock maximum			5.00%
Capital shares reserved for future issuance, annual increase, maximum (in shares)				27,579,672	27,579,672	27,579,672	27,579,672
2015 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum employee subscription rate	15.00%
Purchase price of common stock, percent	85.00%
Number of shares authorized (in shares)	1,500,000
Percent of shares increase, employee stock purchase plan	1.00%
Common stock availability threshold, Employee Stock Purchase Plan	2.00%
Shares increase threshold, employee stock purchase plan (in shares)	1,200,000
Number of additional shares authorized (in shares)						3,402,705