Goodwill and Other Intangible Assets - Schedule of Finite-Lived Assets (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
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| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 63.0 | $ 63.8 |
| Accumulated Amortization | (17.2) | (12.9) |
| Net Carrying Amount | 45.8 | 50.9 |
| Customer Relationships | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 51.4 | 52.0 |
| Accumulated Amortization | (6.4) | (4.3) |
| Net Carrying Amount | 45.0 | 47.7 |
| Other | ||
| Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 11.6 | 11.8 |
| Accumulated Amortization | (10.8) | (8.6) |
| Net Carrying Amount | 0.8 | 3.2 |
| Impairment charges | $ 1.4 | $ 2.6 |
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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