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Revenues - Additional Information (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |
Contract with Customer, Liability | $ 37.5 | $ 41.2
Contract with Customer, Liability, Noncurrent | 17.4 | 16.9
Deferred Revenue, Revenue Recognized | 7.5 |
Variable consideration, Received | 16.7 |
Offset of revised estimated variable consideration | 7.1 |
Other adjustments | 2.1 |
Deferred Costs | 38.6 | 26.9
Cost to Obtain |  |
Segment Reporting Information [Line Items] |  |
Deferred Costs | 13.5 |
Capitalized Contract Cost, Amortization | 1.8 |
Cost to Fulfill |  |
Segment Reporting Information [Line Items] |  |
Deferred Costs | 72.7 | $ 73.3
Capitalized Contract Cost, Amortization | $ 1.2 |

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