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v3.22.2.2

Debt - Interest Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Debt Instrument [Line Items] |  |  |  |
Debt issuance cost amortization |  |  | $ 4.7 | $ 6.4
Debt discount amortization |  |  | 3.6 | 24.2
Other interest expense | $ 1.2 | $ 1.2 | 2.6 | 1.9
Total interest expense | 53.3 | 64.8 | 103.6 | 137.1
Senior Secured Indebtedness |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt issuance cost amortization | 1.7 | 2.3 | 3.4 | 5.2
Debt discount amortization | 1.8 | 1.7 | 3.6 | 3.6
Interest expense | 47.2 | 46.9 | 91.0 | 99.6
Total interest expense | 50.7 | 50.9 | 98.0 | 108.4
Convertible Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt issuance cost amortization | 0.7 | 0.6 | 1.3 | 1.2
Debt discount amortization | 0.0 | 9.9 | 0.0 | 20.6
Interest expense | 0.7 | 2.2 | 1.7 | 5.0
Total interest expense | $ 1.4 | $ 12.7 | $ 3.0 | $ 26.8

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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (210.5-03(11)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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