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Shareholders' Equity Narrative (Details) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 12, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Preferred stock, shares authorized (in share) |  | 10,000,000 |  | 10,000,000
Preferred stock, no par value (in dollars per share) |  | $ 0 |  | $ 0
Preferred stock, shares issued (in shares) |  | 0 |  | 0
Preferred stock, shares outstanding (in shares) |  | 0 |  | 0
Derivative, notional amount |  | $ 84.1 |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 100,000 | 300,000 |
Deferred tax assets, derivative instruments |  | $ 20.6 |  |
Convertible Debt Securities |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount |  | 3,700,000 |  |
Common stock, conversion price (in dollars per share) |  | $ 126.00 |  |
Over-Allotment Option |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Sale of stock, number of shares issued in transaction | 4,472,222 |  |  |
Sale of stock, consideration received on transaction | $ 389.4 |  |  |

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