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Revenue Recognition - Additional Information (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Contract Fulfilment or Customer-owned Tooling Costs |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Impairment losses on contract assets | $ 0 | $ 0 | $ 0 | $ 0
Fire & Emergency |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Interest charges on customer advances | 6,200,000 | 4,400,000 | 17,200,000 | 13,300,000
Impairment losses on contract assets | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126905575&loc=SL49131252-203054 + Details
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