Financial Instruments and Risk Management - Tax Receivable Agreement Narrative (Details)
$ in Millions |
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|
3 Months Ended |
9 Months Ended |
Mar. 02, 2020 |
Mar. 01, 2020 |
Sep. 30, 2020
USD ($)
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Mar. 31, 2020
USD ($)
|
Sep. 30, 2020
USD ($)
|
Sep. 30, 2019
USD ($)
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Tax Receivable Agreement, effect of one percentage point change on fair value |
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$ 10.0
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| Percent of tax savings under Tax Receivable Agreement, prior to closing date |
|
65.00%
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| Percent of tax savings under Tax Receivable Agreement, expected after closing date |
35.00%
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| Tax Receivable Agreement, period covered |
12 years
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| Tax Receivable Agreement, estimated payments, undiscounted |
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$ 191.5
|
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| Fair value of the estimated liability included as an adjustment to additional pain in capital |
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133.4
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| Interest expense, Tax Receivable Agreement |
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$ 2.7
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18.8
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| Unrealized gain recorded in other comprehensive income |
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$ 5.1
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$ 0.0
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| Measurement Input, Discount Rate |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Tax Receivable Agreement, measurement input |
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0.040
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0.040
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| Additional Paid in Capital |
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
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| Fair value of the estimated liability included as an adjustment to additional pain in capital |
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$ 133.4
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