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Stock-Based Compensation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Oct. 31, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Stock-Based Compensation [Abstract] |  |  |  |  |
Stock-based compensation expense |  | $ 1.4 | $ 2.7 | $ 2.1 | $ 4.4
Stock-Based Compensation [Abstract] |  |  |  |  |
Unrecognized compensation expense |  | 5.5 |  | $ 5.5 |
Weighted-average remaining service period |  |  |  | 2 years 6 months |
Stock Options [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Unrecognized compensation expense |  | 1.2 |  | $ 1.2 |
Weighted-average remaining service period |  |  |  | 2 years |
Stock Options [Member] | Subsequent Event [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Fair value of options granted (in dollars per share) | $ 3.32 |  |  |  |
Restricted Stock Awards [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Unrecognized compensation expense |  | 3.9 |  | $ 3.9 |
Weighted-average remaining service period |  |  |  | 2 years 8 months 12 days |
Restricted Stock Awards [Member] | Subsequent Event [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Fair value of restricted stock granted (in dollars per share) | $ 6.62 |  |  |  |
Performance Cash Awards [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Unrecognized compensation expense |  | $ 0.4 |  | $ 0.4 |
Weighted-average remaining service period |  |  |  | 1 year 6 months |
Performance Cash Awards [Member] | Subsequent Event [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Period of time to average cash flow return on invested capital | 3 years |  |  |  |
Period of time to average revenue growth | 3 years |  |  |  |
Performance period | 3 years |  |  |  |
Restricted Stock Awards and Stock Options [Member] | Subsequent Event [Member] |  |  |  |  |
Stock-Based Compensation [Abstract] |  |  |  |  |
Stock-based awards granted (in shares) | 0.4 |  |  |  |

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- Definition The period of time cash flow return on invested capital is averaged as a performance metric for cash awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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- Definition The period of time revenue growth is averaged as a performance metric for cash awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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- Definition The period of time performance is measured for cash awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + 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 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued 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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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