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Revenue and Contracts with Customers - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended | 42 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Government cost share, percentage | 80.00% |  | 80.00% |
Provision for Loss on Contracts Utilized | $ (0.5) | $ (4.7) |  |
Deferred revenue, revenue recognized | 59.7 | 28.5 |  |
Revenue, remaining performance obligation, amount | 1,000.0 |  | $ 1,000.0 |
Deferred Revenue and Advances from Customers - Current and Noncurrent | 311.0 |  | 311.0 |
Government [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Provision for Loss on Contracts Utilized | 0.5 | $ 4.6 | 19.6 |
Provision for Loss on Contracts | 0.0 |  | 0.0 | $ 0.5
Proceeds from Customers |  |  | 143.9 |
Maximum [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Government cost share portion | $ 147.0 |  | $ 147.0 |

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- Definition Cash receipts from customers during the current period which are usually for sales of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
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