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Accounts and Other Receivables - Components of Accounts and Other Receivables (Detail) - USD ($) $ in Millions | Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2017
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Receivables [Abstract] |  |  |  |
Trade receivables | $ 268.4 | $ 245.5 |  |
Income taxes receivable | 84.7 |  |  |
Other receivables and advances | 14.6 | 12.0 |  |
Provision for doubtful trade receivables | (4.4) | (2.9) | $ (1.3) | $ (0.9)
Total accounts and other receivables | $ 363.3 | $ 254.6 |  |

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- Definition Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business. + 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 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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