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Goodwill and Other Intangible Assets - Schedule of Finite-Lived Assets (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Mar. 31, 2021
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Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 52.9 | $ 66.1
Accumulated Amortization | (12.5) | (20.2)
Net Carrying Amount | 40.4 | 45.9
Customer Relationships |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 52.9 | 55.2
Accumulated Amortization | (12.5) | (9.3)
Net Carrying Amount | $ 40.4 | 45.9
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount |  | 10.9
Accumulated Amortization |  | (10.9)
Net Carrying Amount |  | $ 0.0

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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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