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Common Stock, Capital Shares Reserved for Future Issuance, Unissued Shares

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Extension of Expiration Period

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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
-Topic 210
-SubTopic 10
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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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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- 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).

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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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- Definition

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

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- Definition

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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-Publisher FASB
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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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- Definition

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

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-Name Accounting Standards Codification
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- Definition

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

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Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions				1 Months Ended	6 Months Ended
	Aug. 02, 2022	May 03, 2021	May 31, 2014	Jun. 30, 2014	Sep. 30, 2022	Sep. 30, 2021	Jun. 23, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares per participant, 12 month period			1,000,000	2,500,000
Extension of plan term				10 years
Unrecognized compensation costs related to nonvested awards					$ 4.8
Unrecognized compensation costs related to nonvested awards, weighted average period for recognition					2 years 2 months 12 days
Shares available for issuance under the Plan (in shares)					2,100,000
Stock options granted (in shares)					197,600	234,200
Options exercised, aggregate intrinsic value					$ 0.7
Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)	2,495
Restricted Stock Units (RSUs) & Performance Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs related to nonvested awards					$ 13.2
Unrecognized compensation costs related to nonvested awards, weighted average period for recognition					1 year 10 months 24 days
Long-term Equity Incentive Plan, 2005
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grant			5,000,000
Number of additional shares authorized				1,800,000
Long-term Incentive Plan, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance							2,827,210
Number of new shares for future issuance under 2020 long-term incentive plans							2,000,000
Number of unissued shares reserved for 2020 long-term incentive plans							827,210
Long-term Incentive Plan, 2020 \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share grants in period		67,959
Long-term Incentive Plan, 2020 \| Restricted Stock Units (RSUs) & Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share grants in period		65,721
Long-term Incentive Plan, 2020 \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted (in shares)		195,526
Stock options granted, exercise price (in USD per share)		$ 54.47