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Revenues (Tables) | 12 Months Ended
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Mar. 31, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The following represents the Company's disaggregated revenues for the fiscal years ended 31 March 2021, 2020 and 2019:
| Year Ended 31 March 2021
(Millions of US dollars) | North America Fiber Cement |  | Asia Pacific Fiber Cement |  | Europe Building Products |  | Consolidated
Fiber cement revenues | $ | 2,040.2 |  |  | $ | 458.2 |  |  | $ | 55.3 |  |  | $ | 2,553.7 |
Fiber gypsum revenues | — |  |  | — |  |  | 355.0 |  |  | 355.0 |
Total revenues | $ | 2,040.2 |  |  | $ | 458.2 |  |  | $ | 410.3 |  |  | $ | 2,908.7 |
| Year Ended 31 March 2020
(Millions of US dollars) | North America Fiber Cement |  | Asia Pacific Fiber Cement |  | Europe Building Products |  | Other Businesses |  | Consolidated
Fiber cement revenues | $ | 1,816.4 |  |  | $ | 418.4 |  |  | $ | 48.0 |  |  | $ | — |  |  | $ | 2,282.8 |
Fiber gypsum revenues | — |  |  | — |  |  | 323.4 |  |  | — |  |  | 323.4 |
Other revenues | — |  |  | — |  |  | — |  |  | 0.6 |  |  | 0.6 |
Total revenues | $ | 1,816.4 |  |  | $ | 418.4 |  |  | $ | 371.4 |  |  | $ | 0.6 |  |  | $ | 2,606.8 |
| Year Ended 31 March 2019
(Millions of US dollars) | North America Fiber Cement |  | Asia Pacific Fiber Cement |  | Europe Building Products |  | Other Businesses |  | Consolidated
Fiber cement revenues | $ | 1,676.9 |  |  | $ | 446.8 |  |  | $ | 35.8 |  |  | $ | — |  |  | $ | 2,159.5 |
Fiber gypsum revenues | — |  |  | — |  |  | 332.5 |  |  | — |  |  | 332.5 |
Other revenues | — |  |  | — |  |  | — |  |  | 14.6 |  |  | 14.6 |
Total revenues | $ | 1,676.9 |  |  | $ | 446.8 |  |  | $ | 368.3 |  |  | $ | 14.6 |  |  | $ | 2,506.6 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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