v3.20.1

Guarantees and Contingencies (Details) - Cadillac Project - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Mar. 31, 2020 | Dec. 31, 2019
Contingencies |  |  |  |  |
Estimate damages claimed for statutory misrepresentation | $ 1.0 |  |  | $ 1.0 |
Business interruption loss period | 45 days |  |  |  |
Business interruption expected revenue loss | $ 1.4 |  |  |  |
Impairment |  |  | $ 25.0 |  |
Write-down of capital spares |  | $ 0.6 | 0.3 |  |
Insurance receivable | 6.1 |  | 24.2 | 6.1 |
Insurance |  |  | $ 1.0 |  |
Capital expenditures | 9.7 |  |  | 14.8 |
Insurance Recoveries | 7.4 |  |  | $ 18.6 | $ 11.3
Gain on business interruption insurance recovery | $ 3.2 | $ 2.0 |  |  |

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