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Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) $ in Millions | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2019 USD ($) | Sep. 30, 2020 SFr / shares | Jun. 30, 2020 SFr / shares | Mar. 31, 2020 SFr / shares | Sep. 30, 2019 SFr / shares | Jun. 30, 2019 SFr / shares | Mar. 31, 2019 SFr / shares
Common shares, par value |  |  |  |  |  | SFr 0.03 |  |  |  |  |
Common Shares [Member] |  |  |  |  |  |  |  |  |  |  |
Issuance costs | $ | $ 32.8 | $ 3.1 | $ 2.3 | $ 1.3 | $ 1.2 |  |  |  |  |  |
Common shares, par value |  |  |  |  |  | SFr 0.03 | SFr 0.03 | SFr 0.03 | SFr 0.03 | SFr 0.03 | SFr 0.03

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