Share-based compensation arrangement by share-based payment award annual shares issuable.

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- Definition

Share based compensation arrangement by share based payment award number of shares available for grant other than options and SARs.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award percent of actual amount of units earned.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award target RSU granted range.

+ 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
-Section 50
-Paragraph 1
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-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
-SubTopic 10
-Section S99
-Paragraph 1
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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

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

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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 quantity of shares an employee can purchase under the plan per period.

+ References

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-Publisher FASB
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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

Number of shares issued under share-based payment arrangement.

+ References

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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-Publisher FASB
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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended			12 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2014	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2018	Feb. 28, 2020
2014 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (in shares)				750,000
Number of shares available for grant (in shares)				530,036
2014 Non-Employee Director Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (in shares)			150,000	39,800
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted stock outstanding (in shares)				154,034	131,850
Compensation expense				$ 2.9	$ 3.3	$ 2.7
Amounts not yet recognized related to non-vested stock totaled				$ 1.2	1.0
Weighted average remaining contractual life				1 year 6 months
Restricted Stock Units (RSUs) \| 2014 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted Stock Units (RSUs) \| 2014 Equity Incentive Plan \| Time Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted Stock Units (RSUs) \| 2014 Equity Incentive Plan \| Performance Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense				$ 0.6	$ 0.5	$ 0.5
Weighted average remaining contractual life				6 months
Restricted Stock \| Vesting of First Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			50.00%
Restricted Stock \| Vesting of Second Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage			50.00%
Restricted Stock \| 2014 Non-Employee Director Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted stock outstanding (in shares)				8,400	7,000
Maximum number of shares granted to any individual (in shares)			12,000
Number of shares issued to any individual (in shares)			4,000
Restricted stock issuable to eligible Board of Directors members annually (in shares)			2,400
Shares issued under the plan (in shares)	16,800	14,000
Shares issued, price per share (in dollars per share)		$ 34.02					$ 36.25
Minimum \| Restricted Stock Units (RSUs) \| Time Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Actual amount of RSUs earned based on cumulative earnings				50.00%
Minimum \| Restricted Stock Units (RSUs) \| 2014 Equity Incentive Plan \| Performance Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target RSUs granted range				40.00%
Maximum \| Restricted Stock Units (RSUs) \| Time Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Actual amount of RSUs earned based on cumulative earnings				60.00%
Maximum \| Restricted Stock Units (RSUs) \| 2014 Equity Incentive Plan \| Performance Based Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Target RSUs granted range				50.00%